jonathan fenske
Theodor Seuss Geisel Award-Winning Author & Illustrator
“Geisel Honor Book creator Fenske’s sprightly cartoon illustrations are full of hilarious expressions…With superb comedic pacing, a large font, sight words, and sight gags aplenty…”
— BOOKLIST
2026 Geisel Award Winner: Stop That Mop!
Jonathan has received the 2026 Theodor Seuss Geisel Award from the American Library Association.
The Geisel Award is given annually to the author and illustrator of the most distinguished American book for beginning readers published in English in the United States during the preceding year.
picture books
The Cheeky Book of Bear Butts
Candy Corn Christmas!
A Unicorn, a Dinosaur, and a Shark Were Riding a Bicycle
A Unicorn, a Dinosaur, and a Shark Walk Into A Book
a crabby book™ series
Party Time, Crabby!
School’s In, Crabby!
Get Well, Crabby!
Wake Up, Crabby!
Let’s Play, Crabby!
Hello, Crabby!
series
Book It Bunny Series
Pig and Fox Series
Nuts Series
early readers
We Are All Ears
Stop That Mop!
Nothing Scares a Dinosuar
Nothing Fits a Dinosaur