Ken Ward and his younger brother Hal take a trip into the wilds of Mexico; Ken to try his hand at field work in the jungle and Hal, who is ambitious to become a naturalist, to collect specimens. The boys set out to solve the mysteries of the Santa Rosa River, an unknown course of about a hundred and seventy-five miles through uncharted jungle.
CD ISBN: 978-1-61453-765-6
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Running Time: Approx. 7.67 Hrs.
Read by Gene Engene
Rated G, 7 CDs