A truly beleivable method of describing a possible reality of time travel. From a highly descriptive treatise on dinosaurs, to an incredible aptitude for describing a world that is at once other worldly yet common high-tech. ... There Once Was A Giant
A contracted assasin is forced to betray and kill a man who has been a hero to him. ... Worlds of the Imperium
Keith Laumer's Worlds of the Imperium is the first in a series of science fiction, alternate universe novels.
American diplomat Brion Bayard is kidnapped by agents of the Imperium and taken to their version of Earth. This alternate Earth's technology and society in general are roughly equivalent to Europe around World War I, but they have, by fortuitous accident, invented a means of traveling between universes. Apparently so has somebody else. There h...