Discover Series Books for Babies & Toddlers Kids love to play dress up! Part of the Discover Series, All Dressed Up is a fun way for kids to use their imaginations to try on different costumes. Whether you're looking for Halloween costume ideas or ready to take a short break from playing dress up, this short book features photos of kids in costumes. Used as a jumpstart for interaction, Discover Series Picture Books are a great way to introduce new words, images and ideas to kids. Use this photo dictionary as a learning tool. Each photo has a clear title beneath it for identification. Language learners, children, and people looking to build their vocabulary can use this simple book to learn new words.