From the #1 bestselling and USA Today bestselling author Jack Mars (with over 10,000 five-star reviews) comes a riveting new action thriller series. When the world comes under threat, an elite international team is called in, designed to handle the highest of stakes and led by former Army Ranger Grant Valor.

In MAXIMUM CHAOS (Book #9), Grant Valor and his team face a new mission where failure means global disaster: infiltrate a fortified fusion reactor mid-crisis as terrorists push humanity to the brink. It's a race against time and technology in this action-packed thriller where one man's valor could be the difference between salvation and annihilation.

The Grant Valor series delivers an explosive and monumental thrill-ride, brimming with twists that will shock and awe you at every turn. With a band of unforgettable characters whose gripping saga will compel you to devour pages deep into the twilight hours, fans of Brad Thor, Tom Clancy, and Vince Flynn are sure to fall in love.

Published
February 26, 2026

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Grant Valor

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