The Cat in the Hat of all time. As of 2007, more than 10 million copies of "The Cat in the Hat" have been printed, and it has been translated into more than 12 different languages, including Latin, under the title "Cattus Petasatus". In 2007, on the occasion of the book's fiftieth anniversary, Random House released "The Annotated Cat: Under the Hats of Seuss and His Cats", which includes both "The Cat in the Hat" and its sequel, with annotations and an introduction by Philip Nel. The book was published to immediate critical acclaim. Some reviewers praised the book as an exciting way to learn
The Cat in the Hat the cat manages to clean up the mess." In 1999, the United States Postal Service issued a stamp featuring the Cat in the Hat. "The Cat in the Hat"s popularity also led to increased popularity and exposure for Geisel's previous children's books. For example, 1940's "Horton Hatches the Egg" had sold 5,801 copies in its opening year and 1,645 the following year. In 1958, the year after the publication of "The Cat in the Hat", 27,643 copies of "Horton" were sold, and by 1960 the book had sold a total of over 200,000 copies. "The Cat in the Hat" has