Tunnel in the Sky
From Author Wars - https://authorwars.com/publications/tunnel-in-the-sky-268952.html
Overview:
- Title: Tunnel in the Sky
- Author: Robert Heinlein
- Year: Unknown
- ISBN-10: 0330020293
- Publisher: Pan Books
- Price: £1.50
- Pages: 222
- Binding: Paperback
- Type: Novel
- Title Reference: Tunnel in the Sky
- Notes: Undated 5th printing. Title page, cover and spine all as by "Robert Heinlein" - no middle initial.