Discover Series Books for Babies & Toddlers Meow! Meet some cute kitties in this book of cat photos. Featuring a short sentence beneath each full-color photo, young children and cat fans everywhere will enjoy this little book. Used as a jumpstart for interaction, Discover Series Picture Books are a great way to introduce new images, words and ideas to babies and toddlers. 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.