“Matthew Quirk has elevated to must-read thriller status faster than seems possible. Cold Barrel Zero is a brilliantly researched and written tour de force from an author who understands both high-stakes action and fine writing.” —Michael Koryta, bestselling author of Last Words and Those Who Wish Me Dead

“Thriller Award–winner Quirk goes flat-out explosive in this superior military adventure novel. . . . The riveting battle scenes are among the best in the business. Readers will look forward to seeing more of the skilled and deadly John Hayes.” —Publishers Weekly (starred boxed review)

“A deadly high-stakes, high-tech chase on land and sea . . . [Quirk] spins an adrenaline-fueled, military-based action adventure. . . . Another hard-to-put-down adventure from Quirk, this is even more chilling for its air of plausibility. A fine thriller.” —Booklist (starred review)

“A lethal game of cat and mouse fuels Quirk’s third and best novel, a military spy thriller in which one all-out conspiracy is met by another. . . . The story is expertly stripped down, the action relentless, and the characters multilayered. . . . [Quirk] takes a major step forward.” —Kirkus Reviews

“Matthew Quirk’s Cold Barrel Zero is an unputdownable blast! The writing is spare and masterful, you care about the characters, and the action is hair-raising, authentic, at times even mesmerizing. Cold Barrel Zero is one of the must-read thrillers of the year!”—Ben Coes, bestselling author of Coup D’Etat and Independence Day