ISBN 9781496192578 books & textbook
Serpents of Fire: German Secret Weapons, UFOs, and the Hitler/Hollow Earth Connection
Barker, Gray Leedy, Ruth Anne Colvin, Andrew X, Michael
CreateSpace Independent Publishing Platform /2014-04-04 Paperback / 126 Pages
isbn-10: 1496192575 / isbn-13: 9781496192578
