When a mysterious enemy strikes at the very foundation of the Ascendancy by widening the rifts between the Nine Ruling Families and Forty Great Houses, Thrawn and his allies must decide what matters most--the security of their family or the survival of the Ascendancy itself.

"Grand Admiral Thrawn faces the ultimate test of his loyalty to the Empire in this epic Star Wars novel from bestselling author Timothy Zahn. "If I were to serve the Empire, you would command my allegiance." Such was the promise Grand Admiral Thrawn made to Emperor Palpatine at their first meeting. Since then, Thrawn has been one of the Empire's most effective instruments, pursuing its enemies to the very edges of the known galaxy. But as keen a...

"I have sensed a disturbance in the Force." Ominous words under any circumstances, but all the more so when uttered by Emperor Palpatine. On Batuu, at the edges of the Unknown Regions, a threat to the Empire is taking root--its existence little more than a glimmer, its consequences as yet unknowable. But it is troubling enough to the Imperial leader to warrant investigation by his most powerful agents: ruthless enforcer Lord Darth Vader and brilliant...