The Playground

From Author Wars - https://authorwars.com/publications/the-playground-26322.html

Overview:

Title: The Playground
Author: T. M. Wright
Year: 1982
ISBN-10: 0523480466
Publisher: Tor / Pinnacle
Price: $2.95
Pages: 315
Binding: Paperback
Type: Novel
Title Reference: The Playground
Notes: "First printing, November 1982"
Cover (front doubled, three separate ills. with a hole revealing detail from the the third one) artist uncredited.