Product Description
In this third adventure of the series (The Great Adventure of Sally Rock and the Cretaceous Chicken, and The Great Adventure of Sally Rock and El Lobo), Sally is in her teens and on her own for the first time.

She travels to Brazil to be with her famous archeologist uncle, Denny Rock, who is searching for the most powerful historical artifact of all time—The Secret of Man. Denny is in the rainforests of Brazil near the Amazon River seeking this rarest of treasures, one that can save or destroy the world. Its powers include extending natural life, increasing the powers of any weapon and the ability to heal any disease. Guarded by a secret cult called the Guardianes, Sally and Denny must find a way to keep the Secret safe from the villainous hands who want to use its mighty powers for their own evil plans.