The Black Flame

From Author Wars - https://authorwars.com/publications/the-black-flame-188845.html

Overview:

Title: The Black Flame
Author: Stanley G. Weinbaum
Year: 1969
Publisher: Avon
Price: $0.75
Pages: 223
Binding: Paperback
Type: Collection
Title Reference: The Black Flame
Notes:
• "First Avon Printing, April, 1969"; no number line. • Cover illustration is credited to Walotsky on the copyright page; cover is also signed. • Cover states "At Last In Paperback!", though the Harlequin Edition pre-dates this one by 16 years.