Available Editions

Novel

Paperback

Book cover for Raumfestung Arak-Nor
1987 Year
Bastei Lübbe Publisher
ISBN-13: 978-3-404-23065-5
ISBN-10: 3-404-23065-5
Buy on Amazon

All-In-One

Digital Books

Book cover for Das galaktische Theorem
2016 Year
Apex Publisher
ISBN-13: 978-3-7396-5557-4
ISBN-10: 3-7396-5557-7
Not Available for Purchase