Mo Willems is an author, illustrator, animator, playwright and the inaugural Kennedy Center Education Artist-in-Residence. Willems is best known for his best-selling picture books, which have been awarded three Caldecott Honors (Don't Let the Pigeon Drive the Bus!; Knuffle Bunny: A Cautionary Tale; Knuffle Bunny Too: A Case of Mistaken Identity), two Theodor Seuss Geisel Awards, and five Geisel Honors (the Elephant & Piggie series). Willems began his career as a writer and animator on PBS's Sesame Street, where he garnered six Emmy Awards (writing). His live-action comedy special Don't Let the Pigeon Do Storytime! currently streams on HBOMax.
Mo Willems Books

Everyone's Favorite Pigeon is Back!
Shop NowEveryone's favorite Pigeon is back ... and this time asking a very important question of us all. What's the reason for the season? It's driving a sleigh! Mo always delights, and for those yearning to celebrate the merriest of seasons, we can do it all year 'round. This Barnes & Noble Exclusive Edition features a seasonally spectacular Pigeon press-out ornament!
The Pigeon Series
See AllA BIG New Nonfiction Picture Book!
Pre-Order NowMo Willems takes readers to the far reaches of the universe in search of an answer to one of life’s BIGGEST questions. Coming 2/6/24. Pre-order Are You Big? today!
Elephant & Piggie
See AllMeet Mo Willems’ Elephant Gerald and Piggie, winners of two Theodor Seuss Geisel Medals and recipients of five Geisel Honors! Gerald is careful. Piggie is not. Gerald worries so that Piggie does not have to. Elephant Gerald and Piggie are best friends.
Meet Mo Willems’ Elephant Gerald and Piggie, winners of two Theodor Seuss Geisel Medals and recipients of five Geisel Honors! Gerald is careful. Piggie is not. Gerald worries so that Piggie does not have to. Elephant Gerald and Piggie are best friends.
Be the Bus
Shop NowA must-have book for grown-up Pigeon fans! Perfect for children of any age (even the child-at-heart), Be The Bus is classic Mo Willems at his best. Charm, wit, and familiarity — Mo Willems sits on the pedestal with Dr. Seuss. Be like Mo — Be the Bus and Be the Best. The Barnes & Noble Exclusive Edition features an original Pigeon patch in celebration of the Pigeon's 20th Anniversary.
Knuffle Bunny: A Cautionary Tale
See AllUnlimited Squirrels
See AllAn ensemble cast of Squirrels, Acorns, and pop-in guests hosts a page-turning extravaganza! Each book features a funny, furry adventure, bonus jokes, quirky quizzes, nutty facts, and so, so many Squirrels.
An ensemble cast of Squirrels, Acorns, and pop-in guests hosts a page-turning extravaganza! Each book features a funny, furry adventure, bonus jokes, quirky quizzes, nutty facts, and so, so many Squirrels.