This Fortress World
From Author Wars - https://authorwars.com/books/this-fortress-world-964163.html
Overview:
- Title: This Fortress World
- Author: Ed Emshwiller
- Year: 1957
- Type: Cover Art
Editions/Publications:
- Unknown. The 13th Immortal / This Fortress World (Unknown, Ed Emshwiller, Ace Books, $0.35, 129+190 pages, dos, Omnibus)