You know, one of my favourite parts of world building is the environment. Having characters notice little details or take in sweeping views. Its possibly the easiest way to take them away from Earth, or set them up somewhere familiar.

And here are the books you want...

Tapache, a machine intelligence with great power, has revived the Roranian people from their derelict remains. It has gifted them the Great Ship to voyage through space and given them a purpose: to discover the truth about a weapon capable of unthinkable devastation.
An unexpected attack, followed by hundreds of years in stasis, scuppers those plans. Hope seems lost for a small group of Roranian survivors, until something far greater draws them in: a megastructure beyond comprehension.
The megastructure is far from safe. There are incumbent species that already lay their claim, all with secrets of their own, and a strangely smart information network that exists where it has no right.

Captain Taylor Ray commands a deep-space recon crew on a mission scouring the far reaches of the galaxy for signs of the Hedalt; Earth’s long-defeated alien enemy.
No-one really expects him to find anything because no-one ever has. After decades of hunting the remnants of the Hedalt across light years, all that remains are ghosts – long-dead outposts of a long-dead civilization.
But Captain Ray enjoys the company of his tight-knit, specialist crew, and the ten years’ worth of pay for just four years in the wilderness also helps.
When his ship detects a faint Hedalt signal and he orders his crew to investigate, Captain Ray couldn’t possibly know what he is about to discover.
Everything he thinks he knows is a lie. The Hedalt war didn’t end. It hasn’t even begun.

Elliot: Trained from birth to be a killer, he's the best in the business. But when his only two friends are kidnapped by a shadowy corporation, he'll have to use his deadly skills to bring them home.
Arthur: Life as a D-list celebrity has left him wanting more. But when Hellinix kidnaps his wife and daughter, he'll stop at nothing to get them back.
When these two men with nothing to lose cross paths, they'll have to rely on each other to take down the evil corporation and stop an impending alien invasion.

The decades-long war between humanity and the Kithoryhan Concord has ended, and in its aftermath, the millions of marines who battled across the stars for victory have returned to their homes battered, weary, and depleted.
Therapist Malcolm Garner has accepted an assignment from Central Command to counsel one of those marines; The war hero known to the populace as Kajan Venshakova.
But the bitter woman that he meets is nothing like the legend whose exploits have captured the imaginations of billions across the worlds of the Unified Human Alliance.
Pursuing greater insight of the warrior in his care, Malcolm enters into simulated recreations of her combat missions. And in them he will learn more about the true nature of the war than he ever thought possible...

In the year 2075, New York City becomes the battleground for humanity's future as a team of scientists, led by the brilliant geneticist Dr. Zoe Calloway, embarks on a covert mission to investigate an unauthorized time jump. Little do they know, they face a far greater challenge than anticipated. Following the revolutionary research of Zoe's late father into time travel and genetic engineering, the team discovers a path that could alter the destiny of the human race and secure its survival. However, lurking in the shadows is Chrono Kinetics, a ruthless organization determined to ensure their catastrophic failure.
As the TGRI team delves deeper into the mystery, they uncover the existence of "Project Perseus," a clandestine operation with far-reaching consequences. They encounter genetically engineered children with extraordinary abilities, including the power to manipulate time itself. The team must race against time to prevent a catastrophic future, all while unraveling the secrets of Zoe's father and the true nature of their enemy.
Will Zoe and her team be able to stop them before it's too late? Will they uncover the secrets of time travel and prevent a dystopian future from becoming a reality?
Find out in this thrilling sci-fi adventure that blends time travel, genetic engineering, and a battle against a powerful enemy. The Time Navigator Series will keep you turning the pages as the team fights to protect the timeline and ensure a better future for humanity.

As the humans are fighting among themselves, the three major powers, America, Slavia and Chinos, are in an equal power triangle battling for influence and more power. Meanwhile, Thomas Jane starts a Coalition, uniting the small colonies into a rising power of its own.
While all fight in political battles, a despot of Slavia puts in motion a sinister plan to take over all the human worlds.
He defeats one of the big three and prepares to invade the other. Thankfully, Thomas Jane, with a little help from mysterious friends, comes to the rescue. He helps Americans to repel the Slavians, then frees the Chinos and helps them to set up a democratic government, and invites them to join him.

Tani'na and the few half-breed descendants of First and Second Waves of colonists are infected with Chromata, a sentient lifeform native to New Earth. But it isn't the enemy.
First Wave, sent a century prior, made peace with the inhabitants. Some of Second Wave joined them when they arrived decades later. Most remain loyal to the Thyterion empire which is destined to arrive as the third and final wave. Emperor Riscerman wants the planet cleansed for their arrival. Tani'na wants revenge for the death of her mother and sister among thousands of others who perished in the Silacia settlement bombing.
Commander Worton must pay for following such heinous orders. Tani'na and her Father's First Wave army storm the city and the state-building to retake control. Tani'na knows what must be done, and she's the only one who can do it.

In this gripping new military science fiction novel, the universe teeters on the brink of invasion, and the Obsidian Union scrambles to assemble a formidable force of combat pilots. Enter Gordy Harmen, once a legendary Air Force pilot whose illustrious career came to an end due to physical limitations.
Desperate and with nothing to lose, Gordy is approached with a tantalizing proposition: join the Obsidian Union's fight, and they'll rejuvenate his weary body, granting him the chance to fly once more. With his unmatched skills in the cockpit, Gordy must adapt to a new battlefield—the vast expanse of space.
As the tension mounts and the fate of the universe hangs in the balance, "The Oldest Starfighter" takes readers on a thrilling journey through epic space battles and pulse-pounding action. Will Gordy's courage and expertise be enough to turn the tide of war? Find out in this captivating first installment of Jamie McFarlane's exhilarating new series, promising to enthrall fans of sci-fi adventure.

With the Battle of Portlandia behind him, Chase is a hero now and the rank and file truly believes that he's the prince the Command Team claims he is. For his part, Chase has made his choice and now he's committed. As the face of the revolution he's 'in it to win it' because anything else will lead to his death. The twenty-five million-credit bounty on his head will see to that.
The problem he faces now is convincing Fleet Captain Witner, and his Command Team to trust him, when Chase still doesn't trust them enough to tell them who he truly is. Chase had been betrayed too many times in his past to come clean easily, and for all that he's doing everything they ask of him, until the Captain and his team gives him a seat at the table, he's not about to start trusting any of them.
So he's content to let them continue believing he's a fraud of their own creation to justify the search for a 'real' heir.
Still, he now has Claire on his side, and he can't think of anyone else he'd rather have there. She's as driven as he is, and at least as crazy. He's never met a better fighter and probably never will. As a duchess she's been teaching him valuable lessons about how to act and what to say. As a friend and lover, she's giving him something that he never thought he'd have - a reason to win.

Four hundred and thirty thousand years ago, the first Nephilim came to Earth in search of gold. After a perilous journey, the Stargazer, the Nephilim flagship, lands on the alien world. First contact with what is thought to be an intelligent creature doesn’t go well.A decision to burn the surrounding grass, enrages the creatures, a large pack of dire wolves. Now, the Nephilim are being hunted, not for food, for revenge.Wolves are not the only hostile creatures they will face. There are water dragons, sabretooth tigers, deadly vipers, and more. This is the story of their struggle to survive and create the first city on Earth, Eridu.