2nd Ace printing & 1st as a single book.
Worlds of the Imperium is a science-fiction novel by Keith Laumer originally published in 1962. It is an example of an alternate history novel in which a man from our reality becomes involved with another parallel world in which the American Revolution never happened and the secret of inter-world travel came under the control of the British Empire, which forged a unified Imperial world-state known as the Imperium.
Description:
2nd Ace printing & 1st as a single book. Worlds of the Imperium is a science-fiction novel by Keith Laumer originally published in 1962. It is an example of an alternate history novel in which a man from our reality becomes involved with another parallel world in which the American Revolution never happened and the secret of inter-world travel came under the control of the British Empire, which forged a unified Imperial world-state known as the Imperium.