Jack of Eagles

From Author Wars - https://authorwars.com/publications/jack-of-eagles-421233.html

Overview:

Title: Jack of Eagles
Author: James Blish
Year: 1968
Publisher: Avon
Price: C$0.60
Pages: 176
Binding: Paperback
Type: Novel
Title Reference: Jack of Eagles
Notes:
• "First Printing, August, 1958" [as ESPer] • "Third Printing, September, 1968"; no number line • "Cover photo by Three Lions Studio" • Cover printed in the US, book in Canada