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The Extra Yarn origin story

Extra Yarn was inspired by a random image that Barnett stumbled on – a picture of a girl and a dog walking in the snow wearing matching sweaters, drawn by his friend Jon Klassen.

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Mac Barnett

Children’s Author

Mac Barnett is the bestselling author of more than 60 books for children, including Extra Yarn and Sam and Dave Dig a Hole, both illustrated by Jon Klassen, and both winners of a Caldecott Honor and the E.B. White Read-Aloud Award. He loves his work because, he says, kids are “the sincerest appreciators of stories, a uniquely receptive and honest audience.” Mac was named the 2025-26 National Ambassador for Young People’s Literature by the Library of Congress.

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