Mac Barnett was named the 2025-2026 National Ambassador for Young People's Literature by the Library of Congress and is a New York Times-bestselling author of stories for children. His work has been translated into more than 30 languages and sold more than 5 million copies worldwide. Mac's books have won many prizes, including two Caldecott Honors, three New York Times/New York Public Library Best Illustrated Awards, three E.B. White Read Aloud Awards, the Boston Globe-Horn Book Award, Germany’s Jugendliteraturpreis, China's Chen Bochui International Children's Literature Award, The Netherlands' Silver Griffel, and Italy's Premio Orbil. He is the co-creator, with Jon Klassen, of ""Shape Island,"" a stop-motion animated series on Apple TV+, based on their best-selling Shapes series of picture books. Jon Klassen is the New York Times-bestselling author and illustrator of several books, including the iconic I Want My Hat Back, which was named a Theodor Seuss Geisel Honor Book, a New York Times Book Review Best Illustrated Children's Book of the Year, and a Publishers Weekly Best Children's Book of the Year. The second Hat book, This Is Not My Hat, won the Caldecott Medal and became a New York Times bestseller. His most recent book, The Skull, was a #1 New York Times bestseller, earning six starred reviews and a piece in the New York Times Book Review in which Ransom Riggs refers to Jon as both ""the dean of deadpan"" and a ""national treasure."" He is the co-creator, with Mac Barnett, of ""Shape Island,"" a stop-motion animated series on Apple TV+, based on their best-selling Shapes series of picture books.