A complex tale of time travel and time paradoxes, considered by some critics to be Asimov's finest work.
“Asimov . . . at the height of his powers.”
Brian Aldiss“Monumentally good ideas . . . fascinating.”
Damon...
It is the year 12,020 G.E. and Emperor Cleon I sits uneasily on the Imperial throne of Trantor. Here in the great multidomed capital of the Galactic Empire, forty billion people have created a civilization of unimaginable technological and cultural...