The Cat in the Hat (TV special) stopped working on Seuss projects also. DePatie and Freleng were credited together as executive producers, while Jones was credited as producer with Seuss (under his actual name). For the next three Dr. Seuss animation specials, Freleng and Seuss (again using his real name) were credited as producers, although separately. DePatie–Freleng animated a new Cat in the Hat Productions logo for this special, which would be used in the next three specials. The pace and rhyming sequences of several of the songs (particularly "Calculatus Eliminatus") led many to believe that they were composed by Sherman, since they closely resemble his earlier
The Cat in the Hat words he found that rhymed. The words he found were "cat" and "hat". The book was met with immediate critical and commercial success. Reviewers praised it as an exciting alternative to traditional primers. Three years after its debut, the book had already sold over a million copies, and in 2001 "Publishers Weekly" listed the book at number nine on its list of best-selling children's books of all time. The book's success led to the creation of Beginner Books, a publishing house centered on producing similar books for young children learning to read. In 1983, Geisel said, "It is the book