An edge-of-your-seat adventure packed full of puzzles, spooks and mystery! When Claude's little sister, Amity, runs off in forbidden Badwell Woods - where children disappear - Deliah, Sam and Claude follow her to a mysterious mansion. Inside, time has frozen in the 1930s and an invitation promises a devious party game. Not long after they find a terrified Amity, hiding from 'ghosts', the floor beneath their feet starts to twist and turn: the rooms are changing places. The house has rearranged itself like a giant Rubik's cube. To escape, they must solve the puzzle - and the century-old mystery of a girl who disappeared ... A fabulous twist on a timeless haunted house adventure from the acclaimed author of the Milton the Mighty series Scooby-Doo meets The Mysterious Benedict Society via Escape Room Full of friendship, teamwork and logic versus instinct - all wrapped up in a book with thrills, heart and bags of atmosphere Perfect for readers aged 9 and up