Henry Hoakes has gone missing and Hoakes Island Amusement Park is in grave danger. This notebook, a hastily assembled collection of diary entries, notes, puzzles and clues, is the only key to find out what's happened to Henry and stop the dastardly developers who want to knock down the park.

Solve the puzzles and discover keys and clues as you travel around the island on a quest to rescue Rita the anteater, Granville the gorilla and the rest of the talking animals who live there. It's a race against time that only a puzzle master can win!