As one of the most popular children's authors of all time, Geisel's books have topped many bestseller lists, sold over 222 million copies, and been translated into more than 15 languages.
[2] In the years following his death in 1991, several additional books based on his sketches and notes were published, including Hooray for Diffendoofer Day!
[31] The six books are And to Think That I Saw It on Mulberry Street, If I Ran the Zoo, McElligot's Pool, On Beyond Zebra!, Scrambled Eggs Super!, and The Cat's Quizzer.
The National Education Association's "Read Across America Day", moved away from Seuss's books and Seuss-themed activities in 2017, instead emphasizing works by and about people of color.
[33] Philip Nel of Kansas State University published Was the Cat in the Hat Black?
[34] Many conservative media sources and public figures condemned the move, citing it as an example of cancel culture and literary censorship.
[35] The Wall Street Journal and National Review were among such critics,[36][37] while Republican House Minority Leader Kevin McCarthy posted a video of him reading Green Eggs and Ham, in a reference to the news.
[39] The books' removal caused a surge in sales for other works by Seuss that impacted Amazon's charts in the United States.