Back to the stone age /
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
New York :
Canaveral Press,
1963
|
| Item Description: | "Originally published under the title Seven worlds to conquer [in Argosy magazine, Jan. 9-Feb. 13, 1937]" |
|---|---|
| Physical Description: | 318 pages : illustrations |