ISBN 9780441658558 books & textbook
Pellucidar
Burroughs, Edgar Rice Frank Frazetta (front cover)
New York: Ace Books # 65855 7th Printing January 1982 (reprints #s F-158, G-734, /1982T Mass Market Paperback
isbn-10: 0441658555 / isbn-13: 9780441658558
