Kiteworld

From Author Wars - https://authorwars.com/publications/kiteworld-19618.html

Overview:

Title: Kiteworld
Author: Keith Roberts
Year: 1987
Publisher: Arbor House / SFBC
Price: $6.98
Pages: 288
Binding: Hardcover
Type: Novel
Title Reference: Kiteworld
Notes: Locus1 gives the number as "105329", but it's possible that was the number printed in the catalog and not the book itself.
The number on the jacket IS "10523". Gutter code "Q47" on page 287.
OCLC does not list this edition