1 New York Times bestselling author D.J. MacHale is back with the third book in the SYLO Chronicles. Once again, Tucker Pierce and friends must fight for their lives against the better-equipped SYLO. All bets are off in Strike—with twists so big readers will never see them coming—while the action and pulse-pounding suspense remain as high as ever. Fans will be sure to devour this incredibly satisfying conclusion.