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Grant Valor #2

Maximum Force

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In MAXIMUM FORCE (Book #2), when an elusive terrorist cell commandeers cutting-edge military tech for heists across Europe, Grant Valor and the elite team must thwart their plans to seize a nuclear vehicle. Valor's chase leads them through a labyrinth of high-speed pursuits and clandestine warfare, where every corner turned could lead to global catastrophe.

163 pages, Kindle Edition

Published August 11, 2025

171 people are currently reading
82 people want to read

About the author

Jack Mars

314 books681 followers
Jack Mars is author of the bestselling LUKE STONE thriller series, which include the suspense thrillers ANY MEANS NECESSARY (book #1), OATH OF OFFICE (book #2) and SITUATION ROOM (book #3).

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5 stars
75 (44%)
4 stars
57 (33%)
3 stars
25 (14%)
2 stars
8 (4%)
1 star
3 (1%)
Displaying 1 - 3 of 3 reviews
748 reviews2 followers
November 28, 2025
Misalignment of concepts

The overall concept is good, however so many of the minor concepts of the Sentinel organisation fail to align to the overall storyline e.g. Sentinel have high tech stuff, yet this time round the baddies have higher tech stuff that they steal from Sentinel allies. If the allies have it, why don't Sentinel
Get past that bit and the trauma William has to try and overcome to complete the mission, is the predominant aspect of the team that is bright to the fore this time round. Last time it was David, so next book will be one of the other 3?
To be honest, the team seem to struggle through, whilst making more mistakes than the opponents, a Calamity of errors with a winning hail Mary at the end
97 reviews1 follower
February 13, 2026
Another win for Sentinel

Another excellent story in the continuing Saga of the Sentinel team. I can hardly wait for the next installment! I relish the team getting more more accustomed to each other in the future.
791 reviews7 followers
February 5, 2026
Each member is an outlier for one reason or another. Doubt from one team member creates additional tension.
Displaying 1 - 3 of 3 reviews

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