Worlds of Tomorrow, April 1964

From Author Wars - https://authorwars.com/publications/worlds-of-tomorrow-april-1964-62300.html

Overview:

Title: Worlds of Tomorrow, April 1964
Author: Frederik Pohl
Year: 1964
Publisher: Galaxy Publishing Corp.
Price: $0.50
Pages: 164
Binding: digest
Type: MAGAZINE
Title Reference: Name of the Snake
Notes: Vol. 2, No. 1.
Cover illustrates "The Dark Light-Years".
Giunta is editorially credited as Guinta but clearly signs his name as John Giunta.
The cover lists "Day of the Egg" by Allen Kim Lang, but this story does not appear in this issue. It appears in the August 1964 issue.