Discover Series Books for Babies & Toddlers It's time for doggie dress up! These cute pooches put on their best in this Discover Series Picture Book. DOGS ALL DRESSED UP features 25 dogs in a wide range of costumes. Babies and toddlers will love flipping through the simple and colorful photos while older children can't help but laugh at a dog in a tutu. Used as a jumpstart for interaction, Discover Series Picture Books are a great way to introduce new images, words and concepts 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.