Tunnel in the Sky
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Overview:
- Title: Tunnel in the Sky
- Author: Robert A. Heinlein
- Year: 1972
- ISBN-10: 0441826601
- 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 from ads in the back, see below • 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 numbered ads: 32, 33 and 17A, the combination appearing only in 1972, April to July. • ISBN derived from SBN on spine