Ghosts of Fear Street - Hotel Horror #2

Conclusion. After ridding the vampires in the attic from the first book, Grandpa Howie's hotel has a new problem: a strange ghost from the past haunting Grandpa Howie and Joe. The spell to rid the ghost goes awry when it leads to a Freaky Friday-style body switch between Joe and Grandpa Howie and now the two must find a way to break the spell before the effects become permanent.