The Changeling Worlds
From Author Wars - https://authorwars.com/books/the-changeling-worlds-1015492.html
Overview:
- Title: The Changeling Worlds
- Author: Ed Valigursky
- Year: 1959
- Type: Cover Art
Editions/Publications:
- Unknown. Vanguard from Alpha / The Changeling Worlds (Unknown, Ed Valigursky, Ace Books, $0.35, 109+145 pages, dos, Omnibus)
- Unknown. The Changeling Worlds (Unknown, Ed Valigursky, Digit Books, 2/6, 156 pages, Paperback, Novel)