It's fright lights, big city when the Monster High ghouls head to Boo York. Cleo de Nile is invited to attend a fancy gala celebrating the return of a magical comet and, of course, she brings along her beast friends. But their trip isn't all fun and frightseeing because Nefera, Cleo's sister, uses the comet's powers for her own spooktacularly sneaky plans. Can the monsters unwrap the mystery of the comet in time to stop Nefera? Find out in Monster High: Boo York, Boo York! This fangtsastic book is based on the first-ever Monster High movie musical, featuring eight original songs. Contains eight pages of full-colour images in addition to the story. Don't miss the other books based on Monster High movies: Haunted, Freaky Fusion and Frights, Camera, Action!