Walkers on the Sky

From Author Wars - https://authorwars.com/publications/walkers-on-the-sky-264237.html

Overview:

Title: Walkers on the Sky
Author: David Lake
Year: 1978
ISBN-10: 0006152929
Publisher: Fontana
Price: £0.85
Pages: 222
Binding: Paperback
Type: Novel
Title Reference: Walkers on the Sky
Notes:
"First published in Great Britain by Fontana Paperbacks, 1978"
Publication month from Amazon.co.uk
Artist credited on back cover
Other prices: Australia $2.95; New Zealand $2.95; Canada $2.50