Cosmic Engineers

From Author Wars - https://authorwars.com/publications/cosmic-engineers-419884.html

Overview:

Title: Cosmic Engineers
Author: Clifford D. Simak
Year: 1969
Publisher: Paperback Library
Price: C$0.60
Pages: 159
Binding: Paperback
Type: Novel
Title Reference: Cosmic Engineers
Notes:
• "First Printing: December, 1964" • "Second Printing: July, 1967" • "Third Printing: June, 1969"; no number line • The artist is not credited, no visible signature • "Covers Printed in USA/Body Text Printed in Canada" on copyright page