Discover Series Books for Babies & Toddlers Let's go camping! We'll pack the tent, sleeping bags, food, firewood...Why don't we just read a book about camping? 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.