The Slide: A Black Hole Disaster Fiction Thriller

by Aaron Ryan

Dane Currier knew that he was on to something.

His Courier3.1 operation system checked out. His teleportation chambers were state of the art, and he knew they would revolutionize the world as we knew it.

But in cruel twist of timing, something draws near which threatens not only his dream, but humanity as a whole. A 'supermassive' black hole is on a collision course with the Milky Way galaxy, and there is no stopping it. Could it be that Dane was lead to design his system for such a time as this? What happens when society faces an inescapable threat that seeks to annihilate everything we know? And most importantly, what happens when we lose everything that makes us human? Will Dane, Megan, Isaac and Dina discover a way for humanity to press on and survive?

There is no escaping The Slide.


From the creator of the bestselling and award-winning Dissonance alien invasion saga, the Christian dystopian saga THE END, and the 9/11 historical fiction thriller Forecast comes a new genre disaster fiction tale of humanity's struggle to survive. In the natural disaster fiction genre, The Slide will frighten and enthrall you to no end.

331 pages, Kindle Edition

Published July 5, 2025

About the author

Award-winning and bestselling author, speaker, panelist, workshop presenter and voice actor Aaron Ryan lives in Washington with his wife and two sons, along with Macy the dog, Winston the cat, and the finches Inky, Pinky, Blinky & Clyde.

He is the prolific author of the bestselling Dissonance 6-book alien invasion saga, the Christian dystopian fiction trilogy The End, the Talisman trilogy, the sci-fi thrillers Forecast, The Slide, and The Phoenix Experiment, the nonfiction books God Is Not Santa, You are my whole Earth: A Daddy's love for his Sons, You're Going Straight To Helen (In A Handbasket) and Aaron Ryan presents "A Lyrical Empirical Satirical Miracle," the children's picture books The Ring of Truth, The Sword of Joy and The Book of Power, the business reference books How to Successfully Self-Publish & Promote Your Self-Published Book and The Superhero Anomaly, 6 business books on voiceovers penned under his former stage name (Joshua Alexander), as well as a previous fictional novel, The Omega Room.

When he was in second grade, he was tasked with writing a creative assignment: a fictional book. And thus, The Electric Boy was born: a simple novella full of intrigue, fantasy, and 7-year-old wits that electrified Aaron's desire to write. From that point forward, Aaron evolved into a creative soul that desired to create.

He enjoys the arts, media, music, performing, poetry, and being a daddy. In his lifetime he has been an author, voiceover artist, wedding videographer, stage performer, musician, producer, rock/pop artist, executive assistant, service manager, paperboy, CSR, poet, tech support, worship leader, and more. The diversity of his life experiences gives him a unique approach to business, life, ministry, faith, and entertainment.

Aaron's favorite author by far is J.R.R. Tolkien, but he also enjoys Suzanne Collins, James S.A. Corey, Michael Crichton, Marie Lu, Madeleine L'Engle, John Grisham, Tom Clancy, Tim Lebbon, Christopher Golden, C.S. Lewis, Stephen King and Dave Barry.

Aaron has always had a passion for storytelling. Visit his website at https://www.authoraaronryan.com, join his exclusive Facebook group at authoraaronryangroup.com, or check out his store at authoraaronryanstore.com.

Reviews

[The Bookish Elf · Rating 5 out of 5]

Aaron Ryan, the acclaimed author behind the bestselling Dissonance alien invasion saga and The End dystopian series, delivers another masterful work of speculative fiction with The Slide. This pre-apocalyptic thriller combines hard science fiction with deeply human storytelling, creating a narrative that feels both scientifically grounded and emotionally resonant. Ryan's expertise in crafting end-of-world scenarios shines through every page, establishing him as a formidable voice in contemporary disaster fiction.

Plot Foundation: When Science Meets Catastrophe

The story centers on Dane Currier, a brilliant graduate student at the University of Washington who has secretly developed Courier 3.1, a revolutionary teleportation system. Just as Dane prepares to unveil his groundbreaking technology, his colleague Isaac Farragut discovers something terrifying: a supermassive black hole dubbed "Norma" is hurtling toward Earth at unprecedented speed. With only months before complete annihilation, Dane realizes his invention might be humanity's only chance for survival.

Ryan expertly weaves together scientific innovation and cosmic horror, creating a premise that feels both fantastical and eerily plausible. The author's background in creating complex dystopian narratives serves him well here, as he builds tension through the convergence of personal ambition and universal catastrophe.

Character Development: Richly Human Under Pressure

The Core Team

The ensemble cast represents different facets of human nature when confronted with extinction:

• Dane Currier emerges as a compelling protagonist whose personal struggles with health issues mirror humanity's larger battle for survival

• Megan Trapper, the sharp-tongued undergraduate who becomes Dane's crucial partner in both science and life

• Isaac Farragut, the stoic researcher whose discovery sets everything in motion

• Dina Jensen, whose emotional journey provides the story's heart

Ryan excels at creating characters who feel genuinely human and relatable. Each character brings distinct perspectives to the crisis, and their relationships evolve naturally under extraordinary pressure. The romantic subplot between Dane and Megan develops organically, adding emotional stakes that make the scientific concepts more accessible while enhancing the overall narrative depth.

Scientific Authenticity Meets Accessibility

One of Ryan's greatest strengths lies in his ability to present complex scientific concepts in an engaging and understandable way. The teleportation technology feels grounded in real physics, while the astronomical threat of the approaching black hole draws from genuine astrophysical principles. The author strikes an impressive balance between technical accuracy and narrative momentum.

The detailed descriptions of the Courier system's chambers—Nova, Ava, and Aurora—demonstrate Ryan's commitment to world-building. He provides compelling technical detail that makes the technology feel believable while maintaining the story's engaging pace and accessibility for all readers.

Thematic Depth: Beyond the Surface Spectacle

Exploration of Human Nature

Beneath the science fiction framework, The Slide examines profound questions about human nature and survival. Ryan explores how people respond when faced with absolute certainty of extinction, presenting a fascinating spectrum of reactions from denial to acceptance to desperate action. The concept of "the slide"—a mysterious deterioration of human consciousness as the black hole approaches—serves as both a compelling plot element and a powerful metaphor for how crisis can reveal our deepest humanity.

Faith and Science Intersection

The inclusion of Chaplain Rosie provides a fascinating counterpoint to the scientific narrative. Rather than presenting faith and science as opposing forces, Ryan shows how they can complement each other in times of ultimate crisis. This adds philosophical depth while maintaining the story's entertainment value and emotional resonance.

Pacing and Structure: Building Compelling Tension

Ryan demonstrates masterful control over pacing, gradually escalating tension as both the cosmic threat and the teleportation experiments intensify. The story unfolds in two distinct parts: "The Last Days" and "The End is Nigh," with each section building upon the previous momentum while introducing exciting new developments.

The author effectively uses time pressure as a narrative device, with each chapter heading marking humanity's countdown to extinction. This creates an engaging sense of urgency that keeps readers thoroughly invested throughout the book's substantial and satisfying length.

Writing Style: Polished and Engaging

Ryan's prose style has clearly evolved since his earlier works. The writing in The Slide feels confident and polished, with excellent dialogue and sophisticated character development. His ability to shift between technical exposition and emotional moments shows considerable growth as a storyteller.

The first-person narrative from Dane's perspective provides intimate access to the protagonist's thoughts and fears while maintaining enough scope to explore the larger implications of the crisis. Ryan's decision to include multiple viewpoints through dialogue and interaction enriches the story and creates a well-rounded narrative experience.

Comparisons to Ryan's Previous Work

Readers familiar with Ryan's Dissonance series will appreciate the evolution in his approach to catastrophic events. While Dissonance focused on external alien threats, The Slide presents a more existential crisis that challenges humanity from within and without. The End series explored dystopian futures, but The Slide examines the crucial moments before collapse, making it a compelling exploration of pre-apocalyptic fiction.

Technical Innovation in Fiction

The teleportation concept in The Slide feels fresh and innovative in a genre often dominated by space travel and time manipulation. Ryan's approach to the technology emphasizes the biological and psychological aspects of disintegration and reconstruction, raising intriguing questions about identity and consciousness that resonate throughout the narrative and provide thought-provoking depth.

Emotional Resonance and Human Connection

What sets The Slide apart is Ryan's ability to maintain emotional authenticity even amid extraordinary circumstances. The relationships between characters feel genuine, and their personal growth throughout the crisis adds layers of meaning to the larger narrative. The author successfully balances intimate human moments with epic-scale disaster, creating a story that works on multiple levels.

Final Assessment

The Slide represents Aaron Ryan at his most ambitious and successful. By combining rigorous scientific speculation with deeply human storytelling, he has created a work that satisfies both hard science fiction enthusiasts and readers seeking emotional engagement. The novel succeeds brilliantly as both an entertaining thriller and a thoughtful exploration of humanity's response to ultimate crisis.

Ryan has established himself as a significant voice in contemporary disaster fiction, and The Slide demonstrates his continued growth as both a storyteller and a chronicler of humanity's darkest and most heroic moments. This book will captivate readers who enjoy their science fiction grounded in real possibility and their disasters filtered through genuine human experience.

For those seeking intelligent, well-researched disaster fiction that enhances character development through spectacular circumstances, The Slide delivers exactly what its premise promises: a gripping journey through humanity's potential final chapter that feels both thrilling and ultimately hopeful about the human spirit's capacity for innovation and survival.

[Tyler Brooks · Rating 5 out of 5]

Picture this: you've just perfected technology that could revolutionize human existence, only to discover that existence itself has an expiration date stamped in cosmic ink. Aaron Ryan's The Slide opens with such delicious irony, introducing us to Dane Currier's teleportation breakthrough just as humanity faces its ultimate deadline.

Ryan masterfully crafts a pre-apocalyptic thriller that reads like a love letter to both hard science and human resilience. The story follows Dane and his team as they race against time—literally—to save six thousand souls from an approaching supermassive black hole. What begins as a tale of scientific achievement transforms into something far more profound: an exploration of what makes us human when everything human is about to disappear.

The author's technical expertise shines through every page without overwhelming the narrative. The Courier system, with its chambers Nova, Ava, and Aurora, feels tangible and believable. Ryan doesn't just tell us about teleportation; he makes us feel the weight of each successful transport and the devastating consequences of failure.

Character development remains Ryan's strongest suit. Dane's relationship with Megan Trapper evolves from professional partnership to deep emotional connection, providing the story's emotional anchor. Isaac Farragut's discovery of the approaching black hole—later named after him—adds layers of personal responsibility to the cosmic threat.

The concept of "the slide"—humanity's gradual loss of consciousness as the black hole approaches—serves as both plot device and metaphor. Ryan explores how crisis strips away societal veneer, revealing both our basest instincts and our greatest capacity for sacrifice.

Building on the success of his Dissonance series, Ryan has created a standalone work that feels both intimate and epic. The Slide succeeds as disaster fiction that prioritizes human stories over spectacular destruction, delivering a narrative that lingers long after the final page.

[Megan Foster · Rating 5 out of 5]

When the cosmos conspires against humanity, sometimes salvation comes wrapped in the most unexpected package. Aaron Ryan's The Slide opens with Dane Currier nursing his perpetual stomach troubles while secretly perfecting a teleportation system that could revolutionize human existence. What begins as a graduate student's ambitious project transforms into humanity's last desperate gambit when Isaac Farragut discovers a supermassive black hole barreling toward Earth at inconceivable speeds.

Ryan demonstrates exceptional skill in balancing hard science fiction with accessible storytelling. The teleportation technology feels grounded in quantum physics principles, while the astronomical threat draws from genuine astrophysical concepts. The author's meticulous attention to scientific detail shines through descriptions of the Courier 3.1 system, complete with Nova, Ava, and Aurora chambers that serve as humanity's potential lifeboats.

The character dynamics elevate this disaster fiction beyond typical genre conventions. Dane's relationship with sharp-tongued Megan Trapper evolves naturally from academic partnership to something deeper, while Dina Jensen's emotional journey provides the story's beating heart. Isaac Farragut's stoic dedication to uncovering truth, even when that truth spells doom, exemplifies the best of scientific integrity.

What distinguishes The Slide is Ryan's exploration of "the slide" phenomenon—the mysterious deterioration of human consciousness as the black hole approaches. This concept serves as both a compelling plot device and a profound metaphor for how crisis strips away civilization's veneer. The inclusion of Chaplain Rosie adds philosophical depth, demonstrating how faith and science can complement rather than conflict during humanity's darkest hour.

Ryan's prose has evolved considerably since his Dissonance series, displaying greater confidence and emotional sophistication. The first-person narrative provides intimate access to Dane's fears and hopes while maintaining scope for exploring the crisis's broader implications.

[Emily Dawson · Rating 5 out of 5]

Aaron Ryan's The Slide represents a remarkable achievement in hard science fiction, demonstrating how technical precision can enhance rather than hinder compelling storytelling. From the opening pages, Ryan establishes credibility through meticulous attention to scientific detail while maintaining accessibility for general readers.

The teleportation technology feels grounded in quantum mechanics principles, with Ryan explaining complex concepts through Dane Currier's experimentation process. The three-chamber system—Nova for disintegration, Ava for relay, Aurora for reconstruction—operates according to logical parameters that respect conservation of mass and energy while pushing theoretical boundaries. Ryan's decision to explore the biological implications of molecular reconstruction adds fascinating layers to the technology.

The astronomical threat demonstrates equal scientific rigor. The supermassive black hole's approach affects Earth through realistic gravitational disruptions, tidal forces, and radiation effects. Ryan accurately portrays how such an object would distort space-time and impact planetary systems, creating believable catastrophic scenarios that escalate logically throughout the narrative.

Character interactions with technology feel authentic, avoiding the common pitfall of having non-experts instantly master complex systems. Dane's gradual refinement of the Courier system through trial and error reflects genuine scientific methodology. His team's diverse expertise—astronomy, computer science, biology—creates realistic collaboration dynamics.

The government's response to the crisis rings true, complete with bureaucratic obstacles, security concerns, and resource allocation challenges. Ryan's portrayal of how classified nuclear propulsion technology might be deployed in emergency situations demonstrates understanding of both technical and political realities.

Most impressively, Ryan maintains scientific consistency throughout while serving the story's emotional needs. Technical explanations enhance rather than interrupt narrative flow, creating a seamless blend of hard science fiction and human drama that satisfies both technical and general audiences. The Slide proves that rigorous scientific speculation can coexist beautifully with compelling storytelling.

[Brandon Hayes · Rating 5 out of 5]

Some books grab you by the intellect; others seize your heart. Aaron Ryan's The Slide accomplishes the rare feat of doing both simultaneously, creating an emotional experience that lingers long after the final page. This isn't just a story about humanity facing extinction—it's about how love, friendship, and hope persist even when the universe itself seems bent on destruction.

At its core, The Slide is a deeply human story disguised as cosmic horror. Dane Currier's journey from isolated graduate student to reluctant hero unfolds with authentic emotional beats that make readers care deeply about his fate. His relationship with Megan Trapper develops organically from academic partnership to genuine affection, providing emotional anchor points that keep the story grounded despite its fantastic elements.

Ryan demonstrates remarkable sensitivity in portraying how different people process imminent doom. Some characters, like Isaac Farragut, throw themselves into scientific work as a form of denial and purpose. Others, like Dina Jensen, struggle with accepting their powerlessness while finding strength in human connection. The mysterious "slide" phenomenon—where people gradually lose their humanity as the black hole approaches—serves as a haunting metaphor for how crisis can strip away everything we consider essential about ourselves.

The teleportation sequences carry unexpected emotional weight. Ryan doesn't treat them as mere plot devices but as profound transformations that affect his characters' sense of self. When someone goes through the chambers, they return improved but fundamentally changed, raising questions about identity and continuity that resonate throughout the narrative.

Perhaps most powerfully, The Slide explores how people find meaning when facing absolute endings. The inclusion of Chaplain Rosie provides spiritual dimension without preaching, showing how faith can coexist with scientific rationality during humanity's darkest hour.

Ryan has created something special here—a disaster novel that celebrates human resilience while acknowledging our profound vulnerability.

[Mitul Gadhiya · Rating 5 out of 5]

What do you do when you hold the key to humanity's survival in one hand and its death sentence in the other? Aaron Ryan poses this impossible question in The Slide, a scientifically grounded thriller that transforms a university lab into humanity's last hope.

The novel follows Dane Currier, whose secret teleportation project suddenly becomes critical when his colleague discovers an extinction-level threat. Ryan's genius lies in making the impossible feel inevitable—of course the man who perfected matter transport would face the ultimate transportation challenge.

Ryan's background in dystopian fiction serves him well here, but The Slide operates in pre-apocalyptic territory, exploring the crucial moments before collapse. The author captures the surreal experience of living with certain doom, from the gradual breakdown of social order to the emergence of "ghosts"—humans fading into transparency under cosmic radiation.

The technical aspects never overwhelm the human story. Dane's team—sharp-tongued Megan Trapper, stoic Isaac Farragut, and empathetic Dina Jensen—feels authentic under pressure. Their relationships deepen naturally as external circumstances intensify, particularly the evolving romance between Dane and Megan.

Ryan excels at balancing multiple narrative threads: the scientific challenge of perfecting teleportation technology, the governmental logistics of selecting survivors, and the philosophical questions about human identity and survival. The inclusion of Chaplain Rosie adds spiritual depth without becoming heavy-handed.

The cosmic scale of destruction contrasts beautifully with intimate moments of human connection. When the moon is ripped from Earth's orbit, we feel the loss through the characters' eyes rather than through spectacular description.

The Slide is a testament of Ryan's evolution as a storyteller. This standalone novel demonstrates his ability to create compelling disaster fiction that values character development alongside scientific speculation, resulting in a thoroughly engaging read that satisfies both the mind and heart.

[Lauren Mitchell · Rating 5 out of 5]

Buckle up, because Aaron Ryan's The Slide delivers a white-knuckle ride through humanity's most desperate hour that never lets up on the accelerator. This isn't your typical disaster movie fare—it's a pulse-pounding adventure that combines cutting-edge science with heart-stopping action sequences that will keep you glued to every page.

From the moment Isaac Farragut's computer screens reveal the approaching cosmic death machine, The Slide maintains breakneck pacing that mirrors its characters' race against time. Ryan excels at escalating tension through multiple concurrent crises: perfecting untested technology, managing government interference, handling public panic, and always, always watching the countdown clock tick toward extinction.

The teleportation sequences deliver genuine thrills, especially when experiments go wrong. Ryan doesn't shy away from the visceral horror of molecular reconstruction failures, creating moments of genuine suspense where readers hold their breath alongside the characters. When Dane volunteers to test his own system, the tension becomes almost unbearable.

Action extends beyond laboratory experiments into broader societal collapse. Ryan paints vivid pictures of global chaos as civilization crumbles under the weight of certain doom. From ghost attacks on the facility to massive evacuations, the author creates a convincing portrait of world-ending pandemonium that feels both spectacular and terrifyingly plausible.

The escape sequences—particularly the final preparation for humanity's desperate gambit—build to an explosive climax that delivers both emotional satisfaction and spectacular science fiction adventure. Ryan's ability to maintain multiple plot threads while accelerating toward the finale demonstrates masterful storytelling control.

Character relationships add personal stakes to the cosmic drama. Dane and Megan's romance develops against a backdrop of universal destruction, making their moments of connection feel precious and urgent. Every goodbye could be permanent, every reunion miraculous.

[Phil Bolos · Rating 5 out of 5]

The Slide by Aaron Ryan is a gripping science fiction story about Dane, the man responsible for creating Courier3.1. The system allows for teleportation, a function that is very unique and can completely change the world as we know it. But, something else is going on. A massive black-hole is headed to Earth. When it arrives all will come to an end. Humanity will cease to exist, all life on Earth will end, and the planet itself will be torn apart and vanish into the black. But, the Courier3.1 system might just be what is needed to avoid catastrophe. It becomes a race against time as Dane and his friends try to outrun the most powerful and dangerous force in the galaxy. Fans of hard science fiction will love this book. The author not only incorporates lots of action into the narrative, but the events are backed up with plenty of science that makes the story feel real. The characters are developed well and come across as being real and genuine. While this is a standalone novel I can see other stories connected to this event or to the characters that we meet along the way.

[Rajiva Ranjan · Rating 5 out of 5]

"The Slide" written by Aaron Ryan is a thrilling science fiction , disaster drama, futuristic tech and raw human emotion. It is a hopeful novel incorporating a way of escape and loophole of some kind which allows one to survive. Though every bit the science fiction novel with the discussion of technical possibilities, there is a very strong human element to this piece making it a stand out to the pre-disaster genre.
This book keeps you hooked as fate barrels an unavoidable conclusion. Recommended read.

[Margarita Garcia · Rating 5 out of 5]

Amazing plot!

There is no way to get more excited than reading a novel by author Ryan Aaron. Faced with the danger of losing the Earth to a massive black hole, Dane will have to put all his knowledge to the test to save the planet. With this interesting plot and great imagination, this novel has become one of my favorites of the last few days. The author's imagination is vast, and this book is a testament to that. Highly recommend ''The Slide''.

[Abdullah Majeed · Rating 4 out of 5]

The Slide by Aaron Ryan is a gripping read that blends science fiction with elements of disaster and dystopian fantasy. It’s a story that sci-fi and speculative fiction fans will likely enjoy, especially those drawn to high-stakes, end-of-the-world scenarios.

Reading this felt like stepping into a fast-paced journey filled with urgency and imagination. The book kept me turning the pages with its intriguing premise and emotional undertones. It’s the kind of story that lingers with you and sparks thought long after you put it down.

[Book Reviewer · Rating 5 out of 5]

Aaron Ryan’s The Slide is a tightly wound, emotionally raw, and fast-paced sci-fi thriller that tackles the apocalypse in a way I’ve never quite seen before. Set in late 2025, the story follows Dane Currier, a brilliant but troubled scientist who discovers that a massive, uncharted black hole is heading straight for Earth. The revelation kicks off a tense, global unraveling, paralleled by Currier’s personal obsession: a secret teleportation project called Courier 3.1. As the world faces doom, Dane sees a chance for redemption, escape, or maybe something deeper. It’s a bold mix of hard science, emotional confession, and philosophical grit.

Ryan’s writing is conversational, even chatty at times, and it works. It pulls you in like a friend telling you the end is near over a late-night drink. The balance between grand cosmic doom and intimate personal fear feels incredibly relatable. There’s a rawness to Dane’s voice. His acid reflux, his bitterness, his hope, all made him feel painfully real. I didn’t always like him, but I couldn’t stop listening. I also loved the way Ryan treats the black hole not just as a sci-fi monster, but as a metaphor for grief, purpose, and mortality. The writing is smart and hits hard, often laced with sarcasm and gallows humor.

The pacing picks up quite a bit in the later chapters, and there were times I found myself wanting a little more space to take it all in. While I admired the emotional honesty throughout, a few moments of dialogue leaned a bit dramatic. Still, these are minor things in an otherwise powerful story. What shines here is the vision: the gnawing sense that science and soul are dancing toward the same abyss. Ryan captures the spiraling collapse of society with an eeriness that feels way too close to home. And Courier 3.1? Man, that machine had me questioning everything.

The Slide is part sci-fi disaster, part confession booth, and part love letter to human stubbornness. If you like your fiction with big ideas, flawed heroes, and the occasional burp of existential dread, this book’s for you. I’d recommend it to fans of Blake Crouch, Andy Weir, or anyone who wonders what they’d do if the end of the world knocked on their door and offered them a way out.

[R G · Rating 5 out of 5]

This is now the 8th book of Aaron Ryan's that I've read. I read the entire Dissonance series, and then Forecast, and now The Slide as a Beta Reader. They're all first person, so if you're looking for a more 'omniscient' viewpoint, I might say you're in for a disappointment. However that's not really true with the way he writes. Even in limited 1st person view, the characters interactions are so encompassing, their existential crises so pervasive and present, you can't help but feel involved omnisciently. In "The Slide," you're treated to so many different viewpoints and characters that always provide that well-rounded view of what's happened as well as what's coming. I liken this one to Forecast, in that the protagonist is in possession of something that can save lives, but he's running against time itself, and needs to act swiftly, even if it means that some sacrifices have to be made. And I love that, once again, a favorite from the Dissonance series has made the leap over to another one of Ryan's books. (No spoilers). I think you'll really enjoy this one once it publishes. I know I did as a Beta reader!

[Píaras Cíonnaoíth · Rating 5 out of 5]

A Sci-Fi Descent with a Human Heart...

In The Slide, Aaron Ryan delivers a genre-bending ride through the end of everything we know—yet keeps his sights fixed on what it means to be human. As a world-changing teleportation breakthrough collides with the cosmic inevitability of a supermassive black hole, Ryan invites readers not just to witness the unraveling of civilization, but to wrestle with its soul. There's tension, invention, and a strangely poetic dread simmering beneath each chapter.

Balancing bold sci-fi spectacle with intimate questions of faith, memory, and identity, Ryan’s prose slides—quite literally—between the technical and the tender. This isn’t just a disaster novel; it’s a meditation disguised as a page-turner. As the darkness inches closer, so too does the light of truth: when the universe unspools, will we still recognize ourselves in the echo? Highly recommended.

[Steven Finkelstein · Rating 5 out of 5]

Dane Currier knows that an extraordinary event is about to change life for him, and for all other humans as well. An enormous black hole is headed for the Milky Way galaxy. However, Dane designed a system that might be able to do something about it. Was he destined to create it for this very reason? And what will be the fate of Dane and a handful of others who seem poised to take decisive action and to potentially emerge as saviors of the human race?

This high concept sci-fi novel is provocative, entertaining, and thoroughly engrossing. The situation is frightening, the characters memorable, and the ending runs contrary to anything the reader might have suspected will happen. These traits all combine to make this an incredible ride.

[Robin Knapp · Rating 5 out of 5]

“The Slide” by Aaron Ryan is a sci-fi thriller that hits both the head and the heart. It follows Dane Currier, a teleportation pioneer whose invention might be the only shot at survival when a black hole threatens to wipe out Earth. What stood out most to me wasn’t just the scope of the disaster or the clever science; it was the emotional core. The story asks big questions: What does survival mean when we’re stripped of everything? What’s worth saving? And who do we become when the clock runs out? The book delivers plenty of suspense and twists, but it’s also quietly spiritual in places, with a bittersweet and powerful ending that hit me harder than expected. If you like your sci-fi with both brains and soul, this one’s worth the read.

[Angry Reads · Rating 5 out of 5]

The Slide by Aaron Ryan is a science fiction novel that explores technological developments that follow Dane, owner of a teleportation system known as Courier 3.1. This system brings revolutionary change to the world. But the world was going to face the danger of a massive black hole heading towards Earth, which would destroy the entire planet. The teleportation system may help the Earth escape the threats of catastrophe.

Dane and his friends teamed up to fight against and stop this massive force from coming. It is a must-read for fans of science and historical novels. The entire presentation of character was remarkable and well presented. The author writes a masterpiece that is a source of entertainment for the readers. The story is about survival, which appeals to the readers

[Hamza · Rating 5 out of 5]

"The Slide" by Aaron Ryan is a thrilling science fiction tale that mixes disaster, suspense and deep human emotion. Set against the danger of a galactic collision, the story follows humanity’s fight to survive as science and nature clash. From teleportation tech to apparent large scale destruction, it keeps readers on edge with nonstop tension and high-stakes choices. The novel explores themes of invention, courage and sacrifice, all while highlighting the fragile state of human society. Overall, it is a gripping survival story that blends future possibilities with the raw will to endure against all odds.

[Payal Sinha · Rating 5 out of 5]

Revolving around the topic of teleportation, the book takes the readers into a fast-paced but believable science fiction. It all starts when a team of undergrads notice a massive black hole traveling at a speed of one-tenth the speed of light traveling towards earth. As the protagonist uncovers his secret teleportation machine, problems keep cropping up, until it is finally ready to transport a select few to a different planet when the danger is about to hit them in the face. The end is beautiful and tragic with unexpected outcomes with a spiritual edge. To conclude, the story is as much scientifically exhilarating as it is emotionally connecting, making a deep impact on readers.

[Victoria Richmond · Rating 5 out of 5]

A must read that left me crying at the end

Once again, Aaron gives us a thought-provoking narrative that will leave you reflecting on some of life’s biggest questions. Mainly, what it means to be human. Though every bit the science fiction novel with the discussion of technological possibilities, there is a very strong human element to this piece making it a standout to the pre-disaster genre. I thought I knew where this story was headed as I read, but I was wrong. This turned into a very powerful story that I consider a must read.

[Ashlyn · Rating 4 out of 5]

"The Slide" by Aaron Ryan is a thrilling disaster sci-fi that masterfully blends futuristic tech with raw human emotion. As an unstoppable cosmic force looms, the tension rises while drawing readers into a world where hope and fear walk side by side.

Teleportation promises to change everything as one man’s vision is overshadowed by a threat beyond imagination. With suspense at every turn, this gripping story explores the limits of invention, sacrifice and survival. It is a riveting read that keeps you hooked as fate barrels an unavoidable conclusion.

[A Cannady · Rating 5 out of 5]

A little too close to today's reality, "The Slide" by Aaron Ryan is a story about what happens when you chase your dreams without thinking about the potential outcome. Our protagonist, Dane, has done it: He's invented a teleportation system called Courier 3.1, and it's perfect. Nothing can stop him, he's on top of the tech world. Until a black hole and the Milky Way are set to collide and destroy the planet. Now, Dane and his team must decide how to use the invention to help humanity, if it's possible, even if it costs Dane all of his dreams.

[Ghulam Mustafa · Rating 5 out of 5]

This story pulls you in fast and doesn’t let go. It’s packed with tension, smart ideas, and characters you actually care about. The whole teleportation-meets-doomsday setup is wild, but it works. Every chapter feels urgent, and the mix of science, emotion, and survival keeps things grounded.

The Slide manages to explore big themes without getting too heavy. It asks what really matters when everything's falling apart. You’ll find yourself thinking about choices, regrets, and what you’d do if the clock was running out. It’s part sci-fi thriller, part human drama, and totally worth reading.

[Ivory · Rating 4 out of 5]

“The Slide” by Aaron Ryan is a powerful mix of science fiction and human emotions that explore what people will do when faced with the end. The story dives into themes like sacrifice, guilt and the need for hope in dark times. It blends fast paced action with deeper questions about technology and how it shapes our choices. This book is both exciting and thoughtful by showing how people find strength in moments of crisis.

[Jacob · Rating 5 out of 5]

I wasn’t sure what to expect, but The Slide took me by surprise. It’s fast-paced, smart, and packed with suspense while still being fully realized. The science is interesting, the danger feels immediate, and the human element keeps it grounded. Fans of disaster fiction will absolutely want to read this.

[Quirru · Rating 5 out of 5]

A sci-fi novel about a time machine that will revolutionize humanity, but it faces a massive black hole that will produce unexpected and significant changes in teleportation. Dane, the main character, faces this problem. The story is full of twists and turns, with moments of high tension, which become very entertaining and make me have a good time.

[Michele Klawitter · Rating 5 out of 5]

This one starts like a slick tech thriller and then drops the whole galaxy into danger. No pressure, right? Dane and his crew feel like real people thrown into an impossible situation, and that makes the chaos hit close to home. Bonus points for the teleportation system that actually adds to the book rather then being a convenient plot excuse.

[Ron Pepping · Rating 5 out of 5]

Really existential and gripping. Scary to think of if this could happen, but the psychological element behind the actual physical threat is what's really the most compelling part about this book. I also love the character that keeps popping up in Ryan's other works beside Dissonance, this one included.

[Josh A · Rating 5 out of 5]

Right on...I really dug this one. Ryan's got a great work here, and the end is just sad, sad, sad. No spoilers though, and do NOT skip ahead. There are a lot of ways you can "slide" in this story, and the ghosts are no exception. Look out! Dangers abound.

[Brenda · Rating 4 out of 5]

It is an intriguing story about a teleportation system that threatens humanity. Cool idea, I like how the story mixed science and big questions about survival. Some parts moved too fast, but I enjoyed following the characters' adventures. I found this read to be unique in the genre, a good one.