Lethal Force (Derek Vesper #1)

Lethal Force (Derek Vesper #1) by Jack Mars is out now since February 13, 2026.

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Lethal Force (Derek Vesper #1)

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Lethal Force (Derek Vesper #1) Release Date: February 13, 2026

Published

“Thriller writing at its best.”
–Midwest Book Review (Any Means Necessary)
⭐⭐⭐⭐⭐

LETHAL FORCE (Book #1) is the first book in a gripping new action thriller series from the #1 bestselling and USA Today bestselling author Jack Mars (with over 10,000 five-star reviews).

Former Army Ranger and ex-NASCAR driver Derek Vesper is used to high velocity, whether its wheels, wings or skis. Assumed to be KIA in a firefight, Derek, unknown to anyone, uses his unique skills as a secret government operator to work outside the scope of protocol and to embrace the most dangerous—and fraught—of missions….

In LETHAL FORCE (Book #1), when CIA agent Alexis Frost is compromised and forced to race in the Monaco Grand Prix with explosives rigged to her vehicle, operative Derek Vesper has only one desperate play: enter the race himself. The world’s most glamorous sporting event is about to become a deadly game of cat and mouse, where finishing second means certain death.

The Derek Vesper series delivers pulse-racing thrills and knife-edge suspense that seizes your attention with an iron grip. Featuring spectacular action sequences and mind-blowing twists, this series will propel you through a rollercoaster ride, from dynamite openings to jaw-dropping finales. Ideal for readers who love the works of Daniel Silva, Brad Taylor, and Vince Flynn.

Future books in the series are also available!

“Thriller enthusiasts who relish the precise execution of an international thriller, but who seek the psychological depth and believability of a protagonist who simultaneously fields professional and personal life challenges, will find this a gripping story that’s hard to put down.”
–Midwest Book Review, Diane Donovan (regarding Any Means Necessary)
⭐⭐⭐⭐⭐

“One of the best thrillers I have read this year. The plot is intelligent and will keep you hooked from the beginning. The author did a superb job creating a set of characters who are fully developed and very much enjoyable. I can hardly wait for the sequel.”
–Books and Movie Reviews, Roberto Mattos (re Any Means Necessary)
⭐⭐⭐⭐⭐

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Genre: Thriller

Jack Mars

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