by Murray Leinster
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 Second Murray Leinster Megapack (2012)
Omnibus, 736 pages
Fantastic Stories Presents: Science Fiction Super Pack #2 (2016)
by uncredited
Anthology, 426 pages
Part 2 of the Science Fiction Super Pack series.
Murray Leinster Collection: Volume 2 (2017)
Omnibus, 544 pages
