Time's Enemy

From Author Wars - https://authorwars.com/publications/times-enemy-283193.html

Overview:

Title: Time's Enemy
Author: L. A. Graf
Year: Unknown
ISBN-10: 0671541501
Publisher: Pocket Books
Price: $5.99
Pages: 338
Binding: Paperback
Type: Novel
Title Reference: Time's Enemy
Notes:
• 7th printing by number line 10—7
• The latest book listed in the four series at the front was published in Aug 1996, same as the first printing of this title so either the lists were not updated or there were seven printings by September [unlikely]
• $7.99 in Canada