Cryptozoic!

From Author Wars - https://authorwars.com/publications/cryptozoic-310872.html

Overview:

Title: Cryptozoic!
Author: Brian Aldiss
Year: 1981
ISBN-10: 0380016729
Publisher: Avon
Price: $2.25
Pages: 191
Binding: Paperback
Type: Novel
Title Reference: Cryptozoic!
Notes:
• "First Avon Printing, June, 1969" • Fifth printing by number line 10—5 • Month of publication from Locus #247 (August 1981); there is also an ad in the back with date code 6-81 • The artist is not credited, no visible signature on the artwork • Except for the © statement, there is no 'W.' anywhere • Printed in the US