Worlds of the Imperium, , Dover Publications, Keith Laumer,Science fiction: military,Science fiction, science fiction; sci-fi fantasy; fiction; alternate history; parallel universe; parallel world; steampunk; doppelgängers; thriller; race against time; assassinate your double; murder; impersonating a dictator; time travel; mystery; life and death; destiny; adventurous; political; revolutionaries, laumer; world of imperium; parallel world; science fiction; alternative history; alternate history; military; brion bayard; steampunk; steampunk novel; steampunk novels; classic; sci-fi; mirror universe; ; The Other Side of Time; Assignment in Nowhere; Zone Yellow;,, , United States, en-UShttps://www.doverpublications.comscience fiction; sci-fi fantasy; fiction; alternate history; parallel universe; parallel world; steampunk; doppelgängers; thriller; race against time; assassinate your double; murder; impersonating a dictator; time travel; mystery; life and death; destiny; adventurous; political; revolutionaries, laumer; world of imperium; parallel world; science fiction; alternative history; alternate history; military; brion bayard; steampunk; steampunk novel; steampunk novels; classic; sci-fi; mirror universe; ; The Other Side of Time; Assignment in Nowhere; Zone Yellow;, [BLURB],[CITY],New York,books, ebooks, biblet, Book2look