Ring the doorbell . trick or treat! Here comes a dino-sized Halloween celebration. Rhyming text and lively illustrations show dinosaurs carving jack-o'-lanterns, visiting a haunted house, making costumes, and more! There's tons of dino-fun for everyone in this high-energy board book series. Dinosaurs face off on the field, battle on the court, and rally in the rink, then gather together to celebrate their favorite holidays!.