An unpublished manuscript by Dr. Seuss , officially known as Theodor Geisel , will be released next summer. The book, titled Sing the 50 United States! , is set to be published by Random House Children’s Books on June 2, 2026, with an initial print run of 500,000 copies. This marks the first full manuscript by Dr. Seuss to be discovered since "What Pet Should I Get?" in 2015.

The manuscript, along with a cover sketch and notes on the art direction, was found earlier this year among archival materials at the Geisel Library at the University of California, San Diego. The book will feature illustrations completed by children's book artist Tom Brannon , who drew in the style of Dr. Seuss. It will include the iconic "Cat in the Hat" and his helpers, the "Little Cats," as they g

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