Discover Series Books for Babies & Toddlers It's somebody's birthday! There might be 364 days each year without birthday cake, but that doesn't mean you can't celebrate. Ramp up the birthday excitement (or weather the post-party blues) with this collection of brilliantly colored birthday-themed photographs. Babies and toddlers will love flipping through the simple and colorful photos while older children can create and recreate birthday parties of their own. Used as a jumpstart for interaction, Discover Series Picture Books are a great way to introduce new images, words 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.