The Day the Sun Stood Still

From Author Wars - https://authorwars.com/publications/the-day-the-sun-stood-still-38108.html

Overview:

Title: The Day the Sun Stood Still
Author: uncredited
Year: 1972
ISBN-10: 0840762062
Publisher: Thomas Nelson
Price: $5.95
Pages: 240
Binding: Hardcover
Type: Anthology
Title Reference: The Day the Sun Stood Still
Notes:
• Contento1 has this publication as edited by Robert Silverberg, though it could possibly have been edited by Lester del Rey, who began the project and wrote the prefatory material. • Reginald1 lists it as an anonymously edited anthology without giving credit to anyone.