Michael and his younger brother Norman, the expert pest, are off on their fifth funny and exciting adventure with their amazing six-foot-tall pet plants, Stanley and Fluffy. Norman is trying to teach Fluffy to dance the Hokey Pokey, and they are invited to display the plants at a natural history museum during an exhibit of life-size robot dinosaurs. When the boys and plants spend the night in the museum at a sleepover for kids, Fluffy tangles with a plant-eater and disappears in the dark with the boys in hot pursuit. Used Book in Good Condition