A fantastic children's crime story from the world's best-loved children's author, Enid Blyton. Who is the mysterious burglar that disappears from the scene of the crime without a trace? The five Find-Outers and dog must discover the thief's identity before Mr Goon does. Find out if they get to the bottom of The Mystery of the Invisible Thief. 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.