File:Casebook of the Black Widowers cover.jpg

Summary
Cover from Casebook of the Black Widowers by Isaac Asimov, Doubleday, 1980.

Free Use Rationale
Fair use claimed for image:
 * illustrates the subject of the article Casebook of the Black Widowers.
 * no free alternative.
 * the size and resolution make reproduction for bootleg copies difficult.
 * reproduction does not detract from the commercial value.