The Cat in the Hat Heloise P. Mailloux wrote in "The Horn Book Magazine", "This is a fine book for remedial purposes, but self-conscious children often refuse material if its seems meant for younger children." She felt that the book's limited vocabulary kept it from reaching "the absurd excellence of early Seuss books". Based on a 2007 online poll, the National Education Association named "The Cat in the Hat" one of its "Teachers' Top 100 Books for Children". In 2012 it was ranked number 36 among the "Top 100 Picture Books" in a survey published by "School Library Journal" – the third of five Dr.
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".