The Mystery Of The Secret Room by Enid Blyton

In this thrilling adventure, the young detectives of the "Five Find-Outers" club are back on the case, unraveling a perplexing mystery that revolves around a hidden room in a seemingly ordinary house. As they delve deeper into the enigma, the group encounters a series of puzzling clues and suspicious characters, all while navigating the challenges of keeping their investigation under wraps from the local police. With their trademark wit and resourcefulness, the children piece together the secrets of the mysterious room, leading to a surprising revelation that tests their friendship and detective skills.

Purchase from Bookshop.org