Invisible Sun

In Invisible Sun, the gripping second installment of Charles Stross' Empire Games trilogy, the stakes skyrocket as a failed coup d'état threatens humanity across multiple timelines. Amid chaos, a fugitive British monarch flees through Berlin while robotic alien invaders pour into the United States through a wormhole. Disgraced worldwalker Rita and her extraordinary mother must act swiftly to untangle the escalating conflict before it's too late.