by Robert A. Heinlein
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.
Three by Heinlein (1965)
Omnibus, 426 pages
A Heinlein Trio (1980)
Omnibus, 502 pages
Robert A. Heinlein: Beyond Time and Space with the Master of Science Fiction (date unknown)
Omnibus, 176 pages
