Secret Agents Jack and Max Stalwart: Book 2: The Adventure in the Amazon: Brazil

Secret agents Jack and Max Stalwart are sent to the Amazon jungle to investigate the disappearance of an important Global Protection Force scientist. Soon, they discover that the scientist's disappearance is no accident. A greedy outlaw is illegally mining for gold and he'll stop and nothing to keep his secret safe. Can Jack and Max save themselves and the scientist from almost certain death?