Invincible (Lost Fleet: Beyond the Frontier Series #2)

Admiral John “Black Jack” Geary was revived from cryogenic sleep to lead the Alliance against the Syndicate Worlds. But his superiors question his loyalty to the regime. Now in command of the First Fleet, he is tasked with exploring the frontier beyond Syndic space, a mission he fears deliberately puts the fleet—and himself—in harm’s way...

An encounter with the alien enigmas confirms Geary’s fears. Attacked without warning, he orders the fleet to jump star systems—only to enter …