Ted and his sister Kat watch their cousin Salim climb aboard the London Eye. But when his pod returns to the ground and the doors open, Salim has completely vanished. Where could Salim have gone? Has he been kidnapped — or worse? With the police baffled by his disappearance, it’s down to Ted to use his unique abilities to solve the mystery — following a trail of clues that lead across London, with Kat’s help. Starring a brilliant young detective, Siobhan Dowd’s ‘howdunnit’ is a real classic, which will keep you gripped from beginning to end.