The Engine at Heartspring's Center
From Author Wars - https://authorwars.com/books/the-engine-at-heartsprings-center-825689.html
Overview:
- Title: The Engine at Heartspring's Center
- Author: Leo Summers
- Year: 1974
- Type: Interior Art
Editions/Publications:
- Unknown. Analog Science Fiction/Science Fact, July 1974 (Unknown, Leo Summers, Condé Nast, $0.75, 180 pages, digest, MAGAZINE)