Prime Number

From Author Wars - https://authorwars.com/publications/prime-number-316439.html

Overview:

Title: Prime Number
Author: Harry Harrison
Year: 1978
ISBN-10: 0722144350
Publisher: Sphere Books
Price: £0.85
Pages: 191
Binding: Paperback
Type: Collection
Title Reference: Prime Number
Notes:
"First published in Great Britain by Sphere Books Ltd. 1975" "Reprinted 1978", thus second printing; no number line The artist is not credited, the initials PE are on the artwork UK 85p, Australia $2.75, New Zealand $2.75, Rep. of Ireland 93½p, Malta 90c