The Crossroads of Time

From Author Wars - https://authorwars.com/publications/the-crossroads-of-time-193149.html

Overview:

Title: The Crossroads of Time
Author: Andre Norton
Year: 1978
ISBN-10: 0441123139
Publisher: Ace Books
Price: $1.75
Pages: 242
Binding: Paperback
Type: Novel
Title Reference: The Crossroads of Time
Notes:
Stated 4th printing but is at least the 6th.