Worlds of the Imperium

Worlds of the Imperium is a science fiction novel by Keith Laumer, published in 1961. The story follows American diplomat Brion Bayard, who is kidnapped to a parallel universe where the American Revolution never occurred, and the British Empire dominates civilization. Tasked with assassinating a dictator who is his own double, Bayard navigates a complex web of intrigue and danger as he attempts to thwart a catastrophic plan. This novel explores themes of identity and alternate histories.