Pirate's Yo-Ho-Hoax - Mad Mysteries Author:David LaRochelle Ahoy, matey! Detective Dave's Great-Great-Granduncle Greybeard has left behind a secret treasure map in an old sea chest! Only our suave snoop, Detective Dave, can uncover the untold hidden riches. This Mad Mysteries adventure includes over 20 puzzles, codes, clues, and mazes to unravel.