Worlds Within Worlds
From Author Wars - https://authorwars.com/books/worlds-within-worlds-667785.html
Editions/Publications:
- Unknown. Science-Fiction Plus, October 1953 (Unknown, Roger Dee, Gernsback Publications, Inc., $0.35, 68 pages, bedsheet, MAGAZINE)
- Unknown. Science Fiction Monthly (Australia), #1, September 1955 (Unknown, Roger Dee, Atlas Publications, 2/-, 100 pages, digest, MAGAZINE)