Tunnel in the Sky
From Author Wars - https://authorwars.com/publications/tunnel-in-the-sky-419856.html
Overview:
- Title: Tunnel in the Sky
- Author: Robert A. Heinlein
- Year: 1971
- Publisher: Ace Books
- Price: $0.95
- Pages: 253
- Binding: Paperback
- Type: Novel
- Title Reference: Tunnel in the Sky
- Notes:
• ©1955 No other statement of publication or printing • Cover art is credited to Savage on the copyright page; no visible signature Year of publication 1971 from ads in the back. There are four printings with the same catalog #/price/cover. Externally they are identical in every way, internally the only difference is the ads in the back. This printing has three pages of ads: 2 with no number "more Ace Science Fiction Specials" and "Jack Vance's Great New World Series; Planet of Adventure" and one numbered 17 "10 Novels By Robert E. Heinlein" [this last one has not been seen so the Heinlein might be 17A with 11 titles].