When Sophie discovers a map and an unusual request for help in the library, she has no choice but to answer it.Soon she's transported to a magical world full of adventure and intrigue, and it's up to her to save the day in this puzzle mystery!Join Sophie, Bird, the Mechanical Beetle and the Little Ones as they traverse this incredible world, solving puzzles and mazes, hiding from Ghosts and rescuing a baby Stone Giant from certain doom.It's a big challenge in a strange new world, but if ANYONE has the bravery and heart to do it, it's Sophie (with the help of a fearless reader of course).Sophie is strong, with plenty of courage - she shows that bravery and a sense of adventure isn't only for boys, and that brains and kindness are what you need to save the day. This epic tale features a puzzle to solve on nearly every spread, and an epic adventure story to be read and enjoyed.