When Charlie Hitchcock, the smartest kid at school, gets a note from the school bully, Tyler Yu, demanding a meeting he fears the worst--but it turns out that Tyler wants him to solve the mystery of the missing magician at the Abracadabra Hotel.
Combines two previously published stories, The assistant vanishes, and The trouble with Abracadabra, in which Charlie Hitchcock and Tyler Yu investigate mysterious happenings at the Abracadabra, a hotel for retired magicians.
Charlie and Annie find Tyler and the magician Brack on the thirteenth floor of the Abracadabra Hotel, but Charlie and his friends still have to solve the mystery of who is trying to steal the twelve priceless statues of Enrico Endriago which have been locked in room 1308 for fifty years.
Abracadabra, owner of the Abracadabra Hotel, has disappeared, and Charlie Hitchcock and Tyler Yu team up again to solve the mystery of the hidden thirteenth floor and try to foil a theft that could cost the hotel millions.
Brack, owner of the Abracadabra Hotel, has disappeared at a critical time, and once again Charlie Hitchcock and Tyler Yu team up to solve the mystery--they know he never left the hotel, but the only clues they have is a few words scrawled on a piece of paper and a clump of fake red hair.