The Cometeers

From Author Wars - https://authorwars.com/publications/the-cometeers-525332.html

Overview:

Title: The Cometeers
Author: Jack Williamson
Year: 1979
ISBN-10: 0722191928
Publisher: Sphere Books
Price: £0.85
Pages: 186
Binding: Paperback
Type: Novel
Title Reference: The Cometeers
Notes:
"Reprinted 1979"; no number line
The artist is not credited, no visible signature on the artwork. Confirmed as David Bergen to PV1 via Facebook.
UK 85p; Australia $2.95; New Zealand $2.75; Eire 93½p; Malta 95c
OCLC has a record for the '77 edition, not this one