Cluster

From Author Wars - https://authorwars.com/publications/cluster-7406.html

Overview:

Title: Cluster
Author: Piers Anthony
Year: 1989
ISBN-10: 0380017555
Publisher: Avon
Price: $2.95
Pages: 252
Binding: Paperback
Type: Novel
Title Reference: Cluster
Notes:
13th printing Data from Locus1 though it is unlikely the book retains the same price from 1985-1989