Worlds of Tomorrow, August 1964

From Author Wars - https://authorwars.com/publications/worlds-of-tomorrow-august-1964-62302.html

Overview:

Title: Worlds of Tomorrow, August 1964
Author: Frederik Pohl
Year: 1964
Publisher: Galaxy Publishing Corp.
Price: $0.50
Pages: 164
Binding: digest
Type: MAGAZINE
Title Reference: The Little Black Box
Notes: Vol. 2, No. 3. Cover illustrates "Valentine's Planet".