by Stanley G. Weinbaum
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.
Fantasy Twin (1953)
by William L. Crawford
Anthology, 256 pages
The Black Heart (2006)
Collection, 250 pages
Part 4 of the The Collected Science Fiction and Fantasy of Stanley G. Weinbaum series.
The Dark Other / Witch of the Demon Seas (2014)
by Stanley G. Weinbaum, Poul Anderson
Omnibus, 232 pages
The 27th Golden Age of Science Fiction Megapack (2015)
Collection
Part 27 of the The Golden Age of Science Fiction Megapack series.