Mo Willems knows a Good Idea when he sees one. A three-time Caldecott Honor winner (for Don’t Let the Pigeon Drive the Bus!, Knuffle Bunny, and Knuffle Bunny Too), he also won two Geisel Medals and two Geisel Honors for his Elephant and Piggie books. His books are perennial New York Times bestsellers, including Knuffle Bunny Free, Hooray for Amanda & Her Alligator!, and the Cat the Cat series. Before he turned to making picture books, Mo was a writer and animator on Sesame Street, where he won six Emmys. Mo lives with his family in Massachusetts.
Monster's show with Puppet spirals as demands grow. Can Monster find fun again?
Pigeon dreads school, fearing too much learning and unlikable teachers.
A bus driver leaves a child in charge and warns them not to let a pigeon drive the bus.
Gerald must wait for Piggie's mysterious surprise. Can he handle the suspense?
Can the Pigeon handle his unexpected birthday surprise?
A cautious elephant faces a feathered dilemma. Can his carefree friend help?
Can a snake play catch without arms? Gerald and Piggie find out.
95
Authored
38
Illustrated
10
Collaborators
Picture books
66
Graphic novels
7
Chapter books
14
Board books
8
Books published each year, stacked by book type.
The share of the catalog represented by each book type.
95
books
Every title in the Bookroo library, ordered from newest to oldest.
Monster's show with Puppet spirals as demands grow. Can Monster find fun again?
Will the Pigeon ever count to ten, or is counting just for the birds?
A pigeon wants to drive a bus. Can you stop him?
Bunnies explore identity through pronouns.
Discover the surprising history of left-handedness in a playful journey through time.
Explore the universe's tiniest wonders and discover if size is just a matter of perspective.
Explore the universe to discover if size is just a matter of perspective.
Can the Pigeon's holiday dream of driving a sleigh come true?
Explore Pigeon's quirky wisdom and humorous insights in this unique collection.
Zoom Squirrel seeks new emotions, but what if they're not what he expects?
A pigeon prepares to ride a roller coaster for the first time.
Four friends struggle to name their new club. Will they find a sign?
Explore the world of opposites through vibrant art and abstract concepts.
Zoom Squirrel's beach trip turns into a hilarious adventure. Can you outsmart the Squirrels?
A nap turns into a whimsical challenge between two best friends.
Can Zoom Squirrel's friends help him sleep under the stars, or will their help be too much?
Join Elephant and Piggie in five fun tales of friendship and problem-solving.
Join a whimsical journey from inkling to tinkling with supportive mice cheering you on.
Can Zoom Squirrel uncover the identity of the elusive Mystery Reader?
Pigeon dreads school, fearing too much learning and unlikable teachers.
A creature's alphabetic feast leads to unexpected lessons.
A young girl embarks on a journey to center stage, driven by chance and persistence.
Zoom Squirrel's tooth is missing! Can the Squirrels solve the mystery?
Dinosaurs itch but can't scratch. What will they do?
Discover a new meaning of being a pair in this poetic journey.
Create art and face a mysterious critic's verdict.
Two scared kids discover each other. Can they overcome their fears together?
A playful guide introduces life's wonders and challenges to new arrivals.
A button that does nothing sparks unexpected emotions and a lively debate.
Can Nanette bring home the baguette without regret?
Piggie wants to thank everyone, but Gerald fears someone important will be forgotten.
Best friends face a culinary challenge: will Gerald try Piggie's favorite slop?
A dog and cat's unlikely friendship leads to life-changing adventures.
Gerald needs a nap, but will Piggie let him dream in peace?
Gerald must wait for Piggie's mysterious surprise. Can he handle the suspense?
A surprise awaits, but can patience endure the wait?
Piggie's new friend sparks Gerald's fears. Can their friendship survive?
A pigeon resists taking a bath, but eventually learns to enjoy it.
Can Gerald embrace Piggie's surprising new identity?
A big guy takes Piggie's ball. Can Gerald help?
A big guy takes the ball. Can Gerald help Piggie get it back?
A fox invites a goose to dinner. What could go wrong?
Best friends plan a road trip, but unexpected twists await.
A careful elephant and a carefree pig's road trip plans go hilariously awry.
Three dinosaurs prepare a house, not for a trap, but who might wander in?
Pigeon is upset when Duckling gets a cookie just by asking. Fair or not?
Piggie plays her trumpet for Gerald. Will he be honest about her performance?
Can Gerald join Piggie's favorite celebration, or will he be left out?
Gerald must decide whether to share his ice cream before it's too late. Will he make the right choice?
A careful elephant faces a dilemma: share his ice cream or savor it alone?
A stuffed alligator and a girl face an unexpected surprise.
Gerald's trunk is broken. How did it happen?
A careful friend shares a wild tale of a broken trunk. Will the other have a story too?
A family trip to Holland takes an unexpected turn when a beloved toy goes missing.
Two friends discover they're in a book. What happens when it ends?
Two friends discover they're in a book. What happens when it ends?
Can a snake play catch without arms? Gerald and Piggie find out.
A city dog and country frog form an evolving friendship through the seasons.
Discover surprises with Cat the Cat in her playful world.
Meet Cat the Cat and discover surprises with her animal friends.
Meet Cat the Cat and her flying friends in a playful adventure.
Piggie's departure threatens Gerald's perfect day. Can their friendship endure the change?
Pigeon and Duckling battle wits over a hot dog.
Discover surprises in Cat the Cat's playful world.
Elephant fears he's allergic to his best friend. Can their friendship survive?
Can an elephant learn to dance, or will he teach something more valuable instead?
A serious elephant and a playful pig clash over a simple game of catch.
A mole rat defies tradition by wearing clothes. What will the colony say?
Can a rainy day spoil Piggie's outdoor fun with Gerald?
Will rain spoil Piggie's outdoor fun with careful Gerald?
A broken toy tests the strength of a friendship. Can it survive the mishap?
A pigeon desperately wants a puppy. Is he ready for the responsibility?
A pigeon dreams of a puppy, but reality bites.
Best friends plan a surprise, but the unexpected awaits them both.
A mix-up at school leads to a midnight bunny swap and a new friendship.
A cautious elephant faces a feathered dilemma. Can his carefree friend help?
Piggie's first party leads to a hilarious outfit adventure with Gerald's quirky advice.
A party invitation leads to unexpected fashion choices and surprises.
Can Piggie's antics lift Gerald's spirits when he's feeling down?
Can Piggie defy gravity and fly, or will Gerald's doubts ground her dreams?
A friend is sad, and another must find a way to bring back joy.
A dinosaur's existence is challenged by a determined skeptic.
A pigeon schemes to avoid bedtime. Will it succeed?
A monster fails at scaring and discovers friendship instead.
A rebellious pigeon defies a bus driver's demands.
Can the Pigeon handle driving a plane, train, or car? Find out!
Mice teach kids the magic of manners in a playful way.
A young girl loses her beloved toy and goes on a journey to find it.
A laundromat trip turns chaotic when a beloved bunny is left behind.
A bird and a duckling interact over a hot dog.
A bus driver leaves a child in charge and warns them not to let a pigeon drive the bus.
A pigeon wants to drive a bus. Will you let it?
Can the Pigeon handle his unexpected birthday surprise?
Will the Pigeon graduate or face unexpected hurdles?
A stubborn bird resists bath time. Can he be convinced to take the plunge?
Creative company
The authors and illustrators who share the credits across Mo Willems's books.
