The Cat in the Hat script, with Chris Meledandri as producer, and Audrey Geisel as the executive producer. However, the project never came to fruition. On January 24, 2018, it was announced that Warner Animation Group was in development of a different animated "Cat in the Hat" film as part of a creative partnership with Seuss Enterprises. In 2009, the Royal National Theatre created a stage version of the book, adapted and directed by Katie Mitchell. "Seussical", a musical adaptation that incorporates aspects of many Dr. Seuss works, features the Cat in the Hat as narrator. The musical received weak reviews when it opened, in
The Cat in the Hat there were a lot of Dick and Jane devotees, and my book was considered too fresh and irreverent. But Bennett Cerf at Random House had asked for trade rights, and it just took off in the bookstores." Geisel told the Morgans, "Parents understood better than school people the necessity for this kind of reader." After three years in print, "The Cat in the Hat" had sold nearly one million copies. By then, the book had been translated into French, Chinese, Swedish, and Braille. In 2001, "Publishers Weekly" placed it at number nine on its list of the best-selling children's books