Yesterday's Son

From Author Wars - https://authorwars.com/publications/yesterdays-son-339030.html

Overview:

Title: Yesterday's Son
Author: A. C. Crispin
Year: 1989
ISBN-10: 0671724495
Publisher: Pocket Books
Price: $4.50
Pages: 191
Binding: Paperback
Type: Novel
Title Reference: Yesterday's Son
Notes:
Tenth printing Ninth printing was in late '88 Amazon has the date as 1990-05 but the price by then would have been $5.50