Loving life at the Wonderland Motel, where he enjoys the snack machines, the pool, and more, P.T. Wilkie teams up with his friend Gloria to save the motel from shutting down due to lack of business.

Leo and Remi have gotten used to the strangeness of the Whippet Hotel, but when the entire top floor is hoisted into the sky and transported to the field of wacky inventions, they find that they must compete against a number of foes to solve a puzzle or lose their beloved hotel forever.

To most people, an inn is a place for weary travelers who are hungry and tired to get a bite to eat and rest for a while. After a few days, guests usually check out and return home or continue on their journey. Some people, however, check into an inn and never check out. Their ghosts stay on, sharing their rooms with the living. Among the 11 eerie inns in this book, children will discover an inn in Gettysburg that is said to be haunted by the soldiers...

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.

Tyler Yu, school bully, is convinced that there is a ghost stealing things at Abracadabra Hotel, and he enlists the help of Charlie Hitchcock to solve the mystery.

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.

While spending the summer at their grandmother's Vermont inn, two prankster siblings awaken young ghosts from the inn's distant past who refuse to "rest in peace."

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.

When Tom and Sandy visit the Apogee, the world's first space hotel, Tom begins to notice strange happenings and when the billionaire guest of the hotel goes missing, Tom suspects foul play.

While researching the existence of dragons for an essay that could win him a trip to the Arctic, Chris opens himself to the possibility that a great, ancient treasure exists there, guarded by bears, and that he has some role in its protection.