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Valentine Investigations #2.5

A Prison Of The Mind: A crime mystery novella from London

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When the police offer you a deal to escape prison, you take it. Right?

Dale Valentine, understands the system, he once wore the uniform, carried the warrant card.

Now, he’s just a tool for the police as they hunt the worst criminal gang that London has seen in a long time. It’s Dale’s job to infiltrate, manipulate, and report back to his handler, Lauren Kennedy.

Only this job might just end up with him dead, and sixteen girls sold into slavery if he can’t figure out how to save them.

Impossible odds become normal as Dale earns his freedom and the future he craves away from the dark streets of London.

This is a novella that takes place before the first novel, For Whom The Willow Weeps. It takes place in London, the novels are set in Somerset, UK. Check out Joe Talon's 5* Amazon best-selling series!

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"I’ve just finished this book... it was absolutely riveting! The story was so gripping I couldn’t stop reading!" - from C Thompson

"If you enjoy detective stories with characters who are eternally flawed but whose actions are based on principled belief, you owe it to yourself to get a copy of this book and settle in for a very rewarding reading experience." - from D Taylor

"
This is an intense, immersing read complete with a variety of crimes, characters and story lines. It was hard to put down once started and the pace kept the pages turning." - from M Pds

103 pages, Kindle Edition

Published August 31, 2023

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Joe Talon

44 books56 followers

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5 stars
26 (53%)
4 stars
21 (42%)
3 stars
2 (4%)
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Displaying 1 - 15 of 15 reviews
Profile Image for Jjean.
1,186 reviews29 followers
October 21, 2025
Interesting and well written story of an x cop - good characters - easy to follow - interesting to the end
Profile Image for David Taylor.
1,553 reviews27 followers
June 17, 2023
A Prison of the Mind introduces Dale Valentine, a very unlikely hero – a disgraced Detective Inspector in prison for being on the take gets the offer of a lifetime. Along with Dale, this story introduces Detective Sargent Kennedy and Ringo, Dale’s closest friend from his childhood. While A Prison of the Mind is a novella, it does an excellent job of delving into Dale’s motivations and capabilities, as well as getting into the operations of a human smuggling ring. While I would have liked a different ending, after reading For Whom the Willow Weeps, I understand why this story ended the way it did and now believe the ending is appropriate for Dale’s story. I received this book as a free offering from the author through StoryOrigin and chose to provide this review.
Profile Image for Texas.
1,678 reviews35 followers
June 11, 2023
A Prison of the Mind, Novella - This quicky read introduction to the Valentine Investigations series is better than I expected. Interesting story lines and characters held my interest until the end. Easy on the vulgar language considering the crime genre. While not a cliffhanger, this continues in For Whom The Willow Weeps. 4*

For Whom The Willow Weeps, #1 - This story picks up three years after A Prison of the Mind ends. Life has changed in many ways for Valentine. This is an intense, immersing read complete with a variety of crimes, characters and story lines. It was hard to put down once started and the pace kept the pages turning. Source: StoryOrigin. 5*
259 reviews1 follower
June 14, 2023
It started out confusing, but ended unbelievable.
How does a disgraced former copper make good instead of remain in prison where he will probably be killed?
This novella makes a great prologue to what will be another one of Joe's fantastic series.
From human trafficing to deceit everything is there.
I loved how the main character is always doubting himself and even at the end is not sure he did right.
Profile Image for Jeanne.
939 reviews
June 27, 2023
A Prison of The Mind is the introduction to the Dale Valentine character. A disgraced police officer and newly released felon, Dale Valentine is trying to earn his freedom by going undercover in an Albanian crime family. I love the characters and the storyline in this well-written book. I received an advance review copy for free, and I am leaving this review voluntarily.
Profile Image for Michelle.
1,778 reviews3 followers
August 13, 2023
I really enjoyed this prequel, seems like a great start to Dale's story. Also I'm glad that the author didn't feel it necessary to pepper his work with cursing like so many current authors in this genre. My only complaint is that Dale's infiltration happened a little too quickly otherwise I'm looking forward to this series.
1,869 reviews18 followers
June 24, 2024
Dale is caught between a rock and a hard place -it's his fault and he knows it. No way does he want to spend more time in prison, but his option to get out is really difficult. He doesn't know if he can survive any longer in prison - cops are always targets, but an inside informant in the most dangerous gang?

This crime mystery will truly have you on the edge of your seat.
Profile Image for karin whitehead.
1,123 reviews10 followers
January 10, 2025
I found this novel/short story on another authors promo. This is my review. Dale Valentine ex-cop is undercover inside prison to hunt down the gang members inside of a human traffic sting. Not the most ideal place to be when you're a cop even an ex one. A fast paced, good characters, and a plausible story-line. A quick, tense read.
Profile Image for Steph.
182 reviews5 followers
June 19, 2023
Great introduction to a new series of books by one of my very favorite authors! A peek inside a bit of what makes Dale Valentine interesting, and flawed and who some of the other players are in the upcoming stories. I hope to see many more adventures from DV.
Profile Image for Iler  Banks.
65 reviews1 follower
August 19, 2023
Dale will always get his gangs. He knows how they think and operate how they do things. I'm team Dale 100. Investigation mind wants the truth. My suspects list is ready to go. I will be adding this to my book collection of favorites. Iler
209 reviews4 followers
September 18, 2023
Good science fiction has a twist. Take a concept and explore it . take a scientific concept, xenobiology, add slavers, bit of backstabbing, and make it extragalactic. I have no idea where this is going. Was it fun? Yes. Intriguing, yup. As far as xenobiology, the sky's the limit. Short too.
Profile Image for Thompson615.
562 reviews5 followers
March 14, 2025
The beginning.

This novella is the story of how Dale was released from prison. It was excellent! Gripped me from page one and wouldn’t let go. I couldn’t put this book down! I can’t wait for the next Dale Valentine book!
797 reviews6 followers
January 17, 2025
Dale Valentine made a deal to get out of prison. All he has to do is go undercover and try to an Albanian criminal gang exposed. A dangerous mission. Will he able to do it? Well worth reading.
Displaying 1 - 15 of 15 reviews