The fifth adventure in the fun new 12-book collectible series for young readers from survival expert and Chief Scout BEAR GRYLLS.Jack can't stand getting wet. He has to get along a river canyon, making his way down rapids and ultimately building a raft.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.