The Shrinking Man

From Author Wars - https://authorwars.com/publications/the-shrinking-man-344642.html

Overview:

Title: The Shrinking Man
Author: Richard Matheson
Year: 1969
ISBN-10: 0552082457
Publisher: Corgi
Price: 4/-
Pages: 188
Binding: Paperback
Type: Novel
Title Reference: The Shrinking Man
Notes: Cover art not credited, no visible signature. Artwork repeated on back cover.
Cover art credit from checklist in Pennington: A Portrait of a Master Fantasy Artist. Pennington has explicitly denied being responsible for this cover on his Facebook fan page. It has been suggested it's the work of Dean Ellis but no definitive proof for this.
Other prices UK 20p, Australia 65c, New Zealand 65c, South Africa 50c.