Hugo Award-winning author Charlie Stross hits the ground running with Empire Games, provocative techno-thriller and fresh storyline in the Merchant Princes universe.

It's 2020. Two nuclear superpowers across timelines, one in the midst of a technological revolution and the other a hyper-police state, are set on a collision course. Each timeline's increasingly desperate paratime espionage agencies are fumbling around in the dark, trying to find a solution to the first-contact problem that doesn't result in a nuclear holocaust.

And two paratime travellers, Ministry of...