The Cat in the Hat (film) with some critics, stating that it should have instead been rated PG-13 in relation to its high amount of adult content. Leonard Maltin in his Movie Guide gave it one and a half stars out of four saying that the "Brightly colored adaptation of the beloved rhyming book for young children is a betrayal of everything Dr. Seuss ever stood for, injecting potty humor and adult (wink-wink) jokes into a mixture of heavy-handed slapstick and silliness." Maltin also said that the film's official title which included "Dr. Seuss' The Cat in the Hat" was "an official insult". Conversely, "Variety" praised
The Cat in the Hat read, and Spaulding provided Geisel with a similar list. Geisel later told biographers Judith and Neil Morgan that Spaulding had supplied him with a list of 348 words that every six-year-old should know and insisted that the book's vocabulary be limited to 225 words. However, according to Philip Nel, Geisel gave varying numbers in interviews from 1964 to 1969. He variously claimed that he could use between 200 and 250 words from a list of between 300 and 400; the finished book contains 236 different words. Geisel gave varying accounts of how he conceived of "The Cat in the Hat".