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On Top Shelf
Fresh Pick
TRADWIFE
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Some promises cost you the one you love.

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The Temple of Kronos wants her dead. The Stoneslayer wants her destroyed. Neither will have her.

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A poisoned cousin, a five-year-old's life, and a family with too many secrets.

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Betrayal runs in her blood. Justice runs in his. Together, they burn it all down.

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"ANOTHER WINNER!"
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Bestselling Cleo Coyle

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Running from her past, she finds a killer, a protector, and her faith.

Head Cases by John McMahon

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Also by John McMahon:

Inside Man, January 2026
Hardcover / e-Book / audiobook
Head Cases, January 2026
Trade Paperback
Head Cases, February 2025
Hardcover / e-Book
A Good Kill, June 2021
Hardcover / e-Book
The Evil Men Do, March 2020
Hardcover / e-Book
The Good Detective, February 2020
Trade Size / e-Book (reprint)
The Good Detective, March 2019
Hardcover / e-Book

HEAD CASES
By: John McMahon

PAR Unit #1
Minotaur Books
February 2025
On Sale: January 28, 2025
Featuring: Gardner Camden
352 pages
ISBN: 1250348293
EAN: 9781250348296
Kindle: B0D1PK6HYP
Hardcover / e-Book
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Thriller Police Procedural | Thriller Serial Killer

Head Cases follows an enigmatic group of FBI agents as they hunt down a murderer seeking his own justice in this electrifying—and commercial—series debut.

FBI Agent Gardner Camden is an analytical genius with an affinity for puzzles. He also has a blind spot on the human side of investigations, a blindness that sometimes even includes people in his own life, like his beloved seven-year-old daughter Camila. Gardner and his squad of brilliant yet quirky agents make up the Patterns and Recognition (PAR) unit, the FBI’s hidden edge, brought in for cases that no one else can solve.

When DNA links a murder victim to a serial killer long presumed dead, the team springs into action. A second victim establishes a pattern, and the murderer begins leaving a trail of clues and riddles especially for Gardner. And while the PAR team is usually relegated to working cold cases from behind a desk, the investigation puts them on the road and into the public eye, following in the footsteps of a killer.

Along with Gardner, PAR consists of a mathematician, a weapons expert, a computer analyst, and their leader, a career agent. Each of them must use every skill they have to solve the riddle of the killer’s identity. But with the perpetrator somehow learning more and more about the team at PAR, can they protect themselves and their families…before it’s too late?

With an enigmatic case that will keep readers on the edge of their seats and a thoroughly engaging ensemble cast, John McMahon’s Head Cases is a triumph.

PAR Unit

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