Dr. Seuss books provide core vocabulary for language development and encourage children to learn new words. The books are uniquely illustrated to help children notice differences in the images that match the words, ultimately building vocabulary. House, Mouse! Hop, Pop! Cup, Pup! Learning about words that rhyme has never been more fun - simply change the first letter and the whole word changes! By combining the funniest stories, craziest creatures and zaniest pictures with his unique blend of rhyme, rhythm and repetition, Dr. Seuss helps children of all ages and abilities learn to read.