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. Celebrate sixty years of one of Dr. Seuss's most enduring creations with this very special anniversary edition of the classic story, packed with numbers, nonsense and fun! 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.