Threads of Time

From Author Wars - https://authorwars.com/publications/threads-of-time-221601.html

Overview:

Title: Threads of Time
Author: Robert Silverberg
Year: 1974
Publisher: Thomas Nelson / SFBC
Price: $1.49
Pages: 219
Binding: Hardcover
Type: Anthology
Title Reference: Riding the Torch
Notes:
Price and date from the SFBC announcement flyer. First printing has gutter code "E29" on page 218