Ken Ward and his younger brother Hal have many adventures as they try to follow the course of the Santa Rosa River through uncharted jungles in Mexico.
- ISBN10 1633840735
- ISBN13 9781633840737
- Publish Date 10 June 2015 (first published 1 July 1912)
- Publish Status Active
- Imprint Wilder Publications
- Format eBook
- Language English