The Caves of Karst
From Author Wars - https://authorwars.com/books/the-caves-of-karst-2913539.html
Editions/Publications:
- Unknown. Science Fiction Review, December 1969 (Unknown, Ed Cox, Richard E. Geis, 52 pages, quarto, FANZINE)
- Unknown. Science Fiction Review, December 1969 (Unknown, Lee Hoffman, Richard E. Geis, 52 pages, quarto, FANZINE)