Game #20 in the Nancy Drew Adventure series. From the publishers website: Your friend Bess Marvin is kidnapped and the only chance you have to save her is by solving a 300-year-old Bahamian mystery! Dangerous waters keep treasure hunters from exploring the reefs around Dread Isle, but this remote island might hide the riches of El Toro's lost fleet! Can you, as Nancy Drew, track down the treasure before time runs out?