For Your Information: Earth Tunnels
From Author Wars - https://authorwars.com/books/for-your-information-earth-tunnels-116343.html
Overview:
Variant Titles:
Editions/Publications:
- Unknown. Galaxy Science Fiction, October 1953 (Unknown, Willy Ley, Galaxy Publishing Corporation, $0.35, 164 pages, digest, MAGAZINE)
- Unknown. Galaxy Science Fiction [UK], v3 #12 (Unknown, Willy Ley, Strato Publications, 1/6, 132 pages, digest, MAGAZINE)