Dr. Seuss's How the Grinch Lost Christmas!

ALASTAIR HEIM is the author of thirteen children’s picture books including Hello Door, which was named one of The New York Public Library’s Best Books of 2018, The Great Puppy Invasion, which won the 2019 Oklahoma Redbud Read-Aloud Award, and Quiet Down Loud Town!, which was named a 2021 Junior Library Guild Gold Standard Selection. He has also written three books for Dr. Seuss Beginner Books titled If I Had Your Vote, If I Ran Your School, and If I Were Saint Nick—all featuring The Cat in the Hat—as well as the board book I Am the Cat in the Hat. He lives in Kansas City with his wife and three incredible children.

New Jersey native and “constant doodler” ARISTIDES (“Art”) RUIZ has illustrated over 100 books for children—among them 40+ books in the Cat in the Hat’s Learning Library series. A versatile artist, he divides his time between illustrating for children and fine art painting.