The Mystery of the Secret Room (The Five Find-Outers #3) by Enid Blyton
A fantastic children's crime story from the world's best-loved children's author, Enid Blyton. Fatty has discovered an amazing talent for disguise. He fools everyone with his French student act - even Mr Goon! But when Pip discovers a secret room in Milton House, the children decide to investigate...What will they discover in The Mystery of the Secret Room? The Mystery series follows the adventures of 'The Five Find Outers' - Pip, Bets, Larry, Daisy and Fatty, as they solve the most unusual crime cases with the help of their dog Buster. Enid Blyton is arguably the most famous children's author of all time. Thanks to series such as The Wishing-Chair, The Faraway Tree-, The Mysteries, The Famous Five and The Secret Seven, she has sold over 400 million books in more than 40 languages worldwide. Her Mysteries stories have charmed generations of children - and they are as popular today as they have ever been.