Snake & Bat: What Will We Find in This Box? by Willems, Mo

From #1 New York Times bestselling, award-winning author Mo Willems comes SNAKE & BAT, an exciting early reader series set in the world of ELEPHANT & PIGGIE!

Bat plans so that Snake does not have to.

Snake goes to bat when Bat makes mis-snakes.

Best Friends Snake and Bat love being themselves with each other.

In What Will We Find in This Box?, Snake and Bat find a box. The box is exciting! The box is instructive. The box can be a toy. The box is also . . . not theirs! How can a box be one thing and so many things at the same time? Read and find out!

Three-time Caldecott honoree and recipient of two Theodor Seuss Geisel Medals and five Geisel Honors, Mo Willems explores supportive friendships, early-learning development, and beginning reading skill building in the hilarious SNAKE & BAT series, for readers ages 4 to 8.

Author: Mo Willems
Publisher: Union Square Kids
Published: 09/01/2026
Pages: 64
Binding Type: Hardcover
Weight: 0.70lbs
Size: 9.10h x 6.80w x 0.50d
ISBN: 9781454966784
Audience: Ages 4-8

Review Citation(s):
Kirkus Reviews 07/15/2026
School Library Journal 06/26/2026 pg. 1
Booklist 09/01/2026

About the Author
Mo Willems is a number one New York Times bestselling author and illustrator. He has been awarded three Caldecott Honors and an Eisner Award for his picture books, and two Theodor Seuss Geisel Medals and five Geisel Honors for his celebrated ELEPHANT & PIGGIE early readers. His debut picture book, Don't Let the Pigeon Drive the Bus!, was inducted into the Picture Book Hall of Fame. Mo began his career as a writer and animator on Sesame Street, where he garnered six Emmy Awards.