Tunnel in the Sky
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Overview:
- Title: Tunnel in the Sky
- Author: Robert A. Heinlein
- Year: 1975
- Publisher: Ace Books
- Price: $1.25
- Pages: 253
- Binding: Paperback
- Type: Novel
- Title Reference: Tunnel in the Sky
- Notes:
- No edition, printing, printing date or printing number line in book.
- Year of publication taken from Locus #170 (March 15, 1975).
- Copyright © 1955 by Robert A. Heinlein.
- "Cover art by Steele Savage" on copyright page. No visible signature.