Berserker's Planet

From Author Wars - https://authorwars.com/publications/berserkers-planet-4054.html

Overview:

Title: Berserker's Planet
Author: Fred Saberhagen
Year: 1986
ISBN-10: 0441055079
Publisher: Ace Books
Price: $2.95
Pages: 233
Binding: Paperback
Type: Novel
Title Reference: Berserker's Planet
Notes:
• "First Ace printing / May 1980" • "Seventh printing / January 1986"; no number line • "Cover art by Boris Vallejo" on copyright page, the artwork is also signed • $3.75 in Canada