Find the Changeling

From Author Wars - https://authorwars.com/publications/find-the-changeling-279444.html

Overview:

Title: Find the Changeling
Author: Gregory Benford, Gordon Eklund
Year: 1980
ISBN-10: 0440126045
Publisher: Dell
Price: C$2.75
Pages: 249
Binding: Paperback
Type: Novel
Title Reference: Find the Changeling
Notes:
• "First printing—November 1980", no number line. • The artist is not credited; K. W. Kelly is on the artwork • Printed in the US but for the Canadian market; US edition price was$2.50 • The 'type' size for the price is just barely larger than the catalogue # on the cover.