ISBN 9781894959919 books & textbook
Krafft Ehricke's Extraterrestrial Imperative (Apogee Books Space Series)
Ehricke, Krafft Freeman, Marsha
Collector's Guide Publishing, Inc. /2009-02-01 Paperback / 302 Pages
isbn-10: 1894959914 / isbn-13: 9781894959919
