The alternate timelines of Charles Stross' Empire Games trilogy have never been so entangled than inInvisible Sun—the techno-thriller follow up toDark State—as stakes escalate in a conflict that could spell extermination for humanity across all known timelines.An inter-timeline coup d'état gone awry.A renegade British monarch on the run through the streets of Berlin.And robotic alien invaders from a distant timeline flood through a wormhole, wreaking havoc in the USA.Can disgraced worldwalker Rita and her intertemporal extraordaire agent of a mother neutralize the livewire contention before it's too late?At the Publisher's request, this title is being sold without Digital Rights Management Software (DRM) applied.