The Cyborg King

From Author Wars - https://authorwars.com/publications/the-cyborg-king-261504.html

Overview:

Title: The Cyborg King
Author: Ron Goulart
Year: 1981
ISBN-10: 0872169103
Publisher: Playboy Paperbacks
Price: $2.25
Pages: 190
Binding: Paperback
Type: Novel
Title Reference: The Cyborg King
Notes:
"First printing December 1981"; no number line Heavily illustrated by Gil Kane. Kane's name appears atop all even numbered pages with Goulart's as if one of the authors. Elsewhere Kane is given only illustration credit. The cover artist is not credited, the artwork is signed Printed in the US