File:Spacewarblues.jpg

Summary
Cover photo of the paperback novel.

Rationale
Fair use claimed for image:
 * illustrates the subject of the article Space War Blues.
 * no free alternative.
 * the size and resolution make reproduction for bootleg copies difficult.
 * reproduction does not detract from the commercial value.
 * source: https://www.abebooks.co.uk/servlet/BookDetailsPL?bi=22839609218