Back in 1957, Theodor Geisel responded to an article in Life magazine that lamented the use of boring reading primers in schools. Using the pseudonym of -Dr. Seuss- (Seuss was Geisel's middle name) and only two hundred twenty-three words, Geisel created a replacement for those dull primers: -The Cat in the Hat.- The instant success of the book prompted Geisel and his wife to found Beginner Books, and Geisel wrote many popular books in this series, including -Hop on Pop, - -Fox in Socks, - and -Green Eggs and Ham.- Other favorite titles in this series are -Go, Dog, Go!- and -Are You My Mother?- by P. D. Eastman, -A Fly Went By, - by Mike McClintock, and -Put Me in the Zoo, - by Robert Lopshire. These affordable hardcover books combine large print, easy vocabulary, and large, bright illustrations in stories kids will want to read again and again. Grades 1 - Grades 2.