The Masked Monkey

About “The Masked Monkey”

Frank and Joe Hardy are called to find a wealthy industrialist's son who has disappeared. The boy may have run away from home or been kidnapped. Their investigation leads them to South America, where they face dangerous and complex challenges. The case involves a trained killer monkey, man-eating piranhas, a gang of passport thieves, and a secret operation that helps criminals change their identities. The Hardys encounter life-threatening situations as they work to solve the mystery. Their bravery and determination help them uncover the truth and solve one of their most difficult cases. This 1972 novel by Franklin W. Dixon follows the classic Hardy Boys formula of mystery and adventure.