Tunnel in the Sky
From Author Wars - https://authorwars.com/publications/tunnel-in-the-sky-542062.html
Overview:
- Title: Tunnel in the Sky
- Author: Robert A. Heinlein
- Year: Unknown
- ISBN-10: 0345353730
- Publisher: Del Rey / Ballantine
- Price: $5.99
- Pages: 214
- Binding: Paperback
- Type: Novel
- Title Reference: Tunnel in the Sky
- Notes: No printing date on copyright page. Cover art by Darrell K. Sweet Twenty-eighth printing by number line on copyright page.