The ninth in the fun new 12-book collectible series for young readers from survival expert and Chief Scout BEAR GRYLLS. A mysterious compass with a fifth direction transports a young boy to an extensive cave system filled with bats, treacherous drops and hidden dangers. Luckily, survival expert Bear Grylls is on hand to guide him safely out, facing his fears and gaining in confidence along the way. Each book in this fun new 12-book series from BEAR GRYLLS follows a different child on the outdoor activity camp. Once they are given the magical compass, they meet the inspirational adventurer in an amazing place and learn new skills and facts they can take with them back to their real life.