Dora is trying on lots of different outfits. Should she be a doctor, a cat, or an astronaut? Boots is going to be a vampire and Diego a pirate, but Dora just can't decide. The easy-to-read text follows Dora as she tries to settle on the perfect spooky costume, and offers young readers a guessing game as she puts together a broom, a black hat, and a kitty. What will Dora finally be for Halloween? These familiar cartoon friends offer children a delightful peek into the excitement of Halloween preparations.