Discover Series Books for Babies & Toddlers It's time to go to the bathroom, again. If you're looking for a book to help with potty training or a way to build a curious child's vocabulary, check out BATHROOM. Featuring 24 full-color images of objects typically found in a bathroom, each with a title beneath, young children learn the words from the things they see every day. 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.