Welträtsel Universum

From Author Wars - https://authorwars.com/publications/weltratsel-universum-498238.html

Overview:

Title: Welträtsel Universum
Author: Paul Alfred Müller
Year: 2011
ISBN-10: 9783940679451
Publisher: Dieter von Reeken
Price: €22.50
Pages: 317
Binding: Trade Paperback
Type: Omnibus
Title Reference: Welträtsel Universum
Notes: Data from publisher's Web site.
- The book collects the non-fiction book "Welträtsel Universum" published in 1949 and various essays that reason in favour of the Hollow Earth Theory. The Publisher points out that the main reason for providing this book is to help better understand Paul Alfred Müller's late sci-fi novels.