Doc Savage. # 99 & # 100.
Subtitle: Hell Below, The Lost Giant
By: by Kenneth Robeson
Series: The amazing adventures of Doc Savage.
Publisher: Bantam Books
Published: Oct 1980
Place of publication: New York
Language: eng
Format: Paperback
Number of pages: 214
Copyright date: 1943 & 1971, 1944 & 1972.
Notes: Originally published in Doc Savage Magazine:  # 99, September 1943.  # 100, December 1944.