Available Editions

Collection

Hardcover

1979 Year
Gregg Press Publisher
ISBN-13: 978-0-8398-2527-2
ISBN-10: 0-8398-2527-7

Paperback

2011 Year
Baen Books Publisher
ISBN-13: 978-1-4516-3767-0
ISBN-10: 1-4516-3767-5

Digital Books

2011 Year
Gateway / Orion Publisher
ISBN-13: 978-0-575-10885-1
ISBN-10: 0-575-10885-1
Not Available for Purchase

Audio

2021 Year
Tantor and Blackstone Publishing Publisher
ISBN-13: 979-8-200-28210-4
ISBN-10:
Not Available for Purchase

Magazine

Traditional Print

1964 Year
Atlas Publishing and Distribution Co. Ltd Publisher
Not Available for Purchase