A brilliant mystery series by bestselling author Enid Blyton, perfect for fans of The Secret Seven. Ern is visiting Mr. Goon again, providing him and the Find-Outers the perfect opportunity to explore Banshee Towers. However, the towers hide more secrets than the cries of the banshees. Fatty, Larry, Daisy, Pip, Bets, and the dog Buster have one last case to solve... This edition contains the original text and is not illustrated.