ISBN 9781708947330 books & textbook
Hollow Earth Tales - Volume 1
Verrill, A. Hyatt Wilcox, Don Lewis, Richard O. Repp, Ed Earl Emerson, Willis George Grover, Leonard Shurtleff, Bertrand L. Editions, Nighttime
Independently published /2019-11-17 Paperback / 268 Pages
isbn-10: 1708947337 / isbn-13: 9781708947330