William Sherman "Billy" Pène du Bois[a] (May 9, 1916 – February 5, 1993) was an American writer and illustrator of books for young readers. He is best known for The Twenty-One Balloons, published in April 1947 by Viking Press, for which he won the 1948 Newbery Medal. As illustrator he was twice a runner-up for the Caldecott Medal. The Twenty-One Ba...
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