Tunnel in the Sky

From Author Wars - https://authorwars.com/publications/tunnel-in-the-sky-87450.html

Overview:

Title: Tunnel in the Sky
Author: Robert A. Heinlein
Year: 1985
ISBN-10: 0575035684
Publisher: Gollancz
Price: £8.95
Pages: 273
Binding: Hardcover
Type: Novel
Title Reference: Tunnel in the Sky
Notes:
- From the copyright page:
  - First published in Great Britain March 1965
  - Second impression March 1966
  - Third impression September 1969
  - Fourth impression November 1972
  - Fifth impression February 1976
  - This edition 1985
- Month from Amazon.uk