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Under the Bluffs: Some things are not meant to be found

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Under the Bluffs is a story that takes place in St. Paul Minnesota in the early 90’s. The story begins on an unusually cold and snowy day in April 1983. A local detective receives a strange letter that simply states, “Two will disappear, you will not find them.” Two children disappear on that same day but the detective has no luck in finding them. Over the course of ten years the detective receives 4 more letters, and a total of 10 children disappear. It is not until a couple of young, urban explorers find a body in an abandoned cave 10 years later that the investigation gains any ground. Once this happens the detective begins to explore the caves in search of more evidence, eventually enlisting the help of the two young explorers to try to catch the kidnapper and solve the crime. As the story unfolds there are unexpected plot twists and surprises along the way that will keep any reader happily engaged.

212 pages, Kindle Edition

First published April 13, 2023

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About the author

Nicholas Grady

5 books37 followers
Nicholas Grady was born and raised in Minneapolis, MN. He currently lives with his wife, dog, and cat in Robbinsdale, MN. He is a Special Education Teacher and published his first novel, Under the Bluffs in April 2023. The book came into existence after Nick began exploring hidden and abandoned caves in Minnesota. The book has two sequels; Under the Water and Under the Snow (coming in 2025). When he is not exploring caves, Nick likes to listen to vinyl records, and ride his Triumph motorcycle as much as he can. If you'd like to see some of Nick's cave exploration videos you can check them out on youtube @ridercaver5878

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5 stars
35 (38%)
4 stars
32 (35%)
3 stars
13 (14%)
2 stars
9 (10%)
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1 (1%)
Displaying 1 - 30 of 47 reviews
Profile Image for MikeLikesBooks.
874 reviews91 followers
January 28, 2024
I’ve been wanting to read this book. I was gifted this book from a friend and we buddy read it over a week. It was a really good crime mystery novel. It had me upset many times and almost feeling sick as I pictured what was happening in the caves under St Paul, MN. I had to keep telling myself it’s not real. It’s fiction. At one point I sent these emojis to my friend “🤬🤢😭” this book is unsettling and if you don’t like tight, dark spaces, brace yourself because you find yourself in this environment. The whodunnit was shocking at the end.
Profile Image for breanna:).
20 reviews
December 26, 2023
Saw this book on tiktok and it seemed like it would be an interesting story. I was not disappointed!! The story was really captivating and interesting!
Profile Image for Alinar Den.
Author 13 books50 followers
March 24, 2025
Reading this book felt like watching a murder mystery documentary. It is even phrased similarly, with all the detailed descriptions and explanations! It keeps you on your toes, it makes you want to pay attention!
Also, if you're into cave exploration adventures, this is a must-read for you! I've never been to a proper cave before, but after reading this book, it doesn't feel this way anymore. Fascinating! ☺️
62 reviews1 follower
May 2, 2025
The story caught me right away and I couldn’t put it down. I read for enjoyment versus critiquing a book. While there was one disturbing storyline and there was a twist I didn’t see coming, I also don’t get caught up trying to figure out ahead of time what’s going to happen. So I thoroughly enjoyed this book and can agree some of the writing was simplistic, I expect this author’s writing to grow and I look forward to reading his other books in the trilogy.
Profile Image for NerdyMetalMom37.
33 reviews4 followers
December 16, 2024
I really enjoyed this fast-paced thriller read and I was hooked from start to finish. This was a very gripping read, had me in my Mom Feels, as I have kids of my own, and wouldn’t want anything to happen to them. It was packed with suspense/mystery & twists. I love love the Pop Culture references to the 80s & 90s brought me back to my Fraggle Rock and Super Mario days as a kid! Hell I still love both!!
I love the facts/vivid descriptions about the caves, & reading about the characters bobbing and weaving in the caves made me feel claustrophobic I couldn’t do it. I felt the suspense/intensity of it, I loved it, but would never do it in real life 😂
Aside from the thrill/suspense/mystery there are moments of humor & with the cultural nods it made this story feel modern and grounded to me!!! Loved it! Great Read! 🖤
Profile Image for Keila (speedreadstagram).
2,430 reviews330 followers
January 5, 2025
This was an interesting book that pushed me to the edge of my comfort zone. Crimes involving kids are hard to read, but I really liked this book. It is a quick read and written with a fast pace so the pages just flew by. The story was very captivating and hooked me right from the start. I couldn’t wait to find out. I enjoyed learning about the back story of the offender. I always enjoy it when we learn about the whole criminal, its very interesting and that was the case here. I loved how this book went through different times in history and had so many references from my childhood. It was a nice surprise and I really enjoyed it a lot. The thriller aspect was so much fun and I really enjoyed this book a whole lot. I also really enjoyed

If you’re looking for a fun, fast paced thriller that will keep you on the edge of your seat, then you should check this one out.
Profile Image for Tori.
1,163 reviews13 followers
December 11, 2025
Rating: 4.5/5
I received a copy for my honest opinion.

In this book, you’re taken on a journey to St. Paul, Minnesota, where over the last decade ten children have mysteriously disappeared, always two children, always on the same day. When the first pair vanished, local detective Ron received a chilling letter that read, “Two will disappear, you will not find them.” With every new disappearance, an identical letter followed, and despite his relentless efforts, Ron was never able to solve the cases. Though they eventually became cold files, Ron never stopped digging. And everything changes when two urban explorers venture into an abandoned cave and uncover two bodies, finally pulling the case back into the light.

This was a great thriller–mystery. The plot is thoughtfully developed and gave me the nostalgic feeling of watching a true crime documentary from the early ’90s. The pacing is fast, making it an easy and engaging read, and the mix of suspense, action, drama, and moments of humor kept me hooked throughout.

A note for readers: the story does involve children, and you will learn about their deaths. The details are not graphic, more factual in nature, which made the content easier to process, if it had been detailed, I don’t think I could have finished the book.

I loved the nostalgia woven through the narrative. The references to the ’80s and ’90s made me smile and the cave exploration details were fascinating. Grady’s vivid descriptions made it incredibly easy to visualize the tight spaces, ropes, flashlights, and the uneasy claustrophobia of crawling underground.

The story also shifts back in time, giving readers insight into the caves’ history, the origins of the letters, and most importantly the motivations behind the criminal. I always appreciate when authors allow us inside the antagonist’s head, offering clear reasoning for their twisted logic. It brings the entire mystery full circle.

I want to thank Nicholas Grady for the opportunity to review this book.
Profile Image for Madison Evans.
188 reviews1 follower
January 27, 2025
I found this book recommended by the author in a book group I'm in. I've read thriller and horror books involving children, but not much like this. Since I'm a huge empath and a momma, this book got to me. The world is a scary place. People are scary. More so now than ever, it seems. This was one of those books. I enjoyed reading about the caves, although I could never climb in a close fit one myself. Towards the end of the book, especially Chris' chapter, my heart broke. No child deserves that. However, as someone who came from a roughish childhood and lost 2 family members to two different murders i understand the pain. I get it. However, you get to choose how to live your life. You become the light or the dark. This man chose dark. The overall ending was better than I hoped for. Overall a good quick read.
Profile Image for J. M. ♡.
13 reviews1 follower
November 3, 2023
Reading this book was like binging a season of True Detective, and I loved it. 🤩 It was full of interesting historical facts, fascinating details about the cave systems in Minnesota, and some 80s/90s nostalgia that made my heart happy. Overall, Under the Bluffs was an intriguing vacation from my usual [romance] genre, and I feel like it was just the right kind of story to dip my toes into the crime/thriller scene. Unsettling but not gruesome, the perfect length, and a well-rounded cast of characters. I can't wait to read more from this author.
Profile Image for Mrs. Jackal.
73 reviews
July 26, 2025
Under the Bluffs is the story of children going missing over the course of a decade, and the detective who is trying to find the culprit with almost nothing to go on. While reading this book it really felt like the narrator was telling you about a story they actually experienced first hand. I loved the urban exploring angle and the caves made the vibe so eerie and tense. This was a fast,  action packed, and unputdownable book that is great for readers who like police procedural style mysteries or are interested in urban exploring.
Profile Image for Baileybooks.
92 reviews14 followers
May 21, 2023
I'm really excited I was told about this book. It's a short, easy read and I loved it. The author did a fantastic job with descriptions throughout the entire story it was easy to visualize the setting and characters. This is definitely murder crime mystery story with a serious plot, but you will love the characters. My favorite Jeff and Tony added a bit of fun to the story.
Profile Image for Katie.
319 reviews7 followers
December 28, 2024
This book is full of adventure and very suspenseful. I highly recommend this book if you are a thriller lover. This book will have you on the edge of your seat. Nick did a great job building the characters up. It's really cool to have an author to set the book in a crave setting.
Profile Image for Tblazinaries.
19 reviews5 followers
August 27, 2025
first read by this author

This has been one of few books that I have read that has kept me invested I really enjoyed reading this book this is also my first time reading a book by Nicholas Grady
Profile Image for Samantha Milbert.
36 reviews1 follower
July 8, 2026
I was drawn to this book since it takes place in Minnesota, anyone who is from the Twin Cities area has at the very least heard of the bluffs and caves in St. Paul. It’s a very unique part of the city and combined with a murder mystery spanning over a decade, makes for a great story. I really enjoyed the unique team of a detective joining forces with a couple of stoner kids. There was also an unexpected twist, which felt like the cherry on top for a thriller/mystery book.
Profile Image for Amy.
270 reviews15 followers
September 2, 2023
I enjoyed this book! While there were some editing errors, the story itself was great! I loved the detail and the ending had me on the edge of my seat!
Profile Image for Roscoe.
Author 2 books22 followers
October 4, 2023
Nicholas has a great way of story telling that draws you in and doesn't let go. This was a very entertaining story, full of twists until the very end!
43 reviews2 followers
October 7, 2023
Very suspenseful, so good. Can't wait for the next book.
Profile Image for Jenna Jaggers.
15 reviews4 followers
May 27, 2023
This was such a fun read and I'm looking forward to seeing future works from this author. It was a bonus to get to learn about the cave systems of Minnesota!
5 reviews2 followers
September 10, 2023
Good read for a first-time author

This is an easy read. The storyline is set in an actual setting, which helped me to be able to envision what the characters were going through. Sometimes, the author describes items in the story to help the reader understand what there are and was not too much of a deviation from the flow of the story. I enjoyed it and would definitely read this author again.
37 reviews
July 8, 2023
This was a great mystery read and towards the end even a bit of suspense. I enjoyed reading this book. Everything is well described so you can actually visualize what you are reading. Definitely recommend!
Profile Image for Lisa.
101 reviews3 followers
June 24, 2025
Okay. Needed an editor.
Profile Image for Sarah.
53 reviews3 followers
August 17, 2023
This book had me on the edge of my seat from the first chapter to the last. The story is a well designed mystery, with enough suspense to keep me reading and reading.

Some of the paragraphs are a little long, but the story flows well and I love the characters of Tony and Jeff.

Definitely an author I would read from in the future, even if mystery/suspense isn't my first go to for books.
Profile Image for Trinity Smith.
41 reviews2 followers
August 29, 2024
spectacular!!!

I am so upset that it took me so long to actually finish this book, but it had nothing to do with the book’s quality. I absolutely loved this book!! I don’t usually read thrillers so it was a breath of fresh air. I learned so much about caving and caving equipment I could probably be an expert caver tbh. I love how thorough and explanatory this book is. The atmosphere was creepy and I felt like I was in a cold wet cave throughout some of it. I found myself attached to Jeff and Tony and Ron and felt the heartbreak of these murders right along with them. 10/10!!
Profile Image for Christina _readingwhilewet.
581 reviews29 followers
January 31, 2024
Good read

I've had this book on my tbr for a while since I saw it on tik tok. I finally got into it, and it didn't disappoint.

Now, first off, this story can be triggering and unsettling, so proceed with caution

This story was short and to the point, gave me law and order vibes.

Great debut book. I can't wait to read more from this author
Profile Image for Brittany Roth.
Author 6 books28 followers
August 19, 2024
What an enjoyable read! As someone who likes a good crime mystery story and someone who has watched many urban exploring videos, this book was right up my alley! I felt like I was on an adventure trying to solve a case with the characters. When the big twist happened, I audibly gasped! This was such a fun read.
Profile Image for Rebekah.
68 reviews15 followers
August 1, 2023
A fun read if you want a quick murder mystery hit. The setting is so fully developed that it's clearly one the author adores, and is a glimpse into a world I have always been both fascinated by and absolutely too terrified to ever try for myself. Altogether a really solid book.
Profile Image for Katie.
550 reviews8 followers
July 29, 2023
This mystery suspense had me hooked. I had to know what happened to all of the missing children.
Profile Image for Allison Thompson.
Author 2 books16 followers
July 16, 2023
I really liked this book. It had a really good murder mystery feel to it. I would recommend this book.
Profile Image for Karen.
221 reviews
August 14, 2023
I liked reading about the the caves in the Twin Cities. I felt the author has much to learn about improving his writing skills.
Profile Image for Michael Vassallo.
Author 3 books2 followers
June 9, 2026
Good read

Good story, it held my interest looking forward to more from this author. The cave aspect was a great twist and well done.
Displaying 1 - 30 of 47 reviews