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 home, they go through a vortex that fuses some of the ghouls together! With the help of the Hybrids, the new monsters in school, they learn how to control their combined flaws and together face their greatest challenge . . . saving Frankie!This novelisation of the Monster High animated special includes an eight-page full-colour insert of fangtastic images!