Dora the Explorer Limited Edition Play-a-Sound 3-Book Set Join Dora and Boots on some amazing adventures with the Dora the Explorer 3-book Play-a-Sound Set. Three totally fun stories are included in the set: Dora's New Flower Friend, A Visit to Abuela and Dora's Go-Cart Adventure. A removable sound strip features 5 great songs and can be attached to any of the books. Follow along, press the colorful sound buttons, and have a bueno time with Dora! Each book has 3 facing pages with text and colorful illustrations. Published by Publications International. Individual book size (with sound strip attached): 6"H x 7"W. Book depth: .5"; Sound strip depth: .75". Genre: Children's stories. Includes 3 replaceable, long-life AG-13 button cell batteries.