Hörbuch-Genres : Science
Pariah Planet
Murray Leinster
Make Mine Homogenized
Rick Raphael
Project Mastodon
Clifford Simak
The Dancing Mania
Justus Hecker
Rocks and Their Origins
Grenville A. J. Cole
Mathematical Problems
David Hilbert
Bacon
Richard W. Church
The Finding of Haldgren
Charles W. Diffin
The Outline of Science Vol. 3
J. Arthur Thomson
Manual of Egyptian Archaeology and Guide to the Study of Antiquities in Egypt
Gaston Maspero
The Andes and the Amazon
James Orton
Kepler
Walter W. Bryant