Monster High: Freaky Fusion: The Junior Novel

During the bite-centennial, the ghouls discover an old scientist's workshop and travel back two hundred years to the beginning of Monster High. But when they try to get homoe, they go through a vortex, which fuses some of the ghouls together! with the help of the Fusions, the new monsters in school, the ghouls learn how to control their combined flaws and together face their greatest challenge--saving Frankie!