Helen Friel

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 has happened to Henry and stop the dastardly developers who want to knock down the park. Solve the puzzles and discover keys and clues as...

An interactive choose-your-own-adventure style puzzle book follow-on to Lost In the Museum Join William the hippo and friends in an interactive adventure puzzle book. Help them solve the mystery and save the exhibition! William the hippo and his friends live on 5th Avenue, New York, inside the Metropolitan Museum of Art. At night, when the museum is closed and all...

Puzzle Odyssey by Ian Friel and Helen Friel takes you on a thrilling journey with Odysseus, who has been away from home for many years and is finally making his way back to his family on the island of Ithaca. It will be a dangerous journey, and along the way, he'll face treacherous challenges of all kinds. If you're feeling...