by Robert Moore Williams
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 to Conquer / Doomsday Eve (1957)
by Eric Frank Russell, Robert Moore Williams
Omnibus, 138 pages
The 11th Science Fiction Megapack (2016)
by uncredited
Anthology
Part 11 of the Science Fiction Megapack series.
The Soul Snatchers / Doomsday Eve (2017)
by Gregory Luce
Anthology, 224 pages
