by Isaac Asimov
In addition to its stand-alone volume, this title was published in the follow books. It can be rated independently of any volumes containing it.
The Far Ends of Time and Earth (1979)
Omnibus, 526 pages
The Alternate Asimovs (1986)
Collection, 272 pages
Other Worlds of Isaac Asimov (1987)
Omnibus, 651 pages
Isaac Asimov: Five Masterworks of Science Fiction (date unknown)
Omnibus, 191 pages
