It's time to carve jack-o'-lanterns, put on costumes, and trick-or-treat! But our young hero's friend Ghost is having some trouble. He's lost his "Boo"--and his spookiness too! There's no question about it: Ghost needs a new butt! There's a pumpkin butt, a dinosaur butt, and so many more. Which butt will Ghost choose to wear this Halloween? Features a spooky glow-in-the-dark cover!.