Vulcan's Hammer
From Author Wars - https://authorwars.com/books/vulcans-hammer-1015252.html
Overview:
- Title: Vulcan's Hammer
- Author: Ed Emshwiller
- Year: 1960
- Type: Cover Art
Editions/Publications:
- Unknown. Vulcan's Hammer / The Skynappers (Unknown, Ed Emshwiller, Ace Books, $0.35, 139+117 pages, dos, Omnibus)