Fran Manushkin is the author of many popular picture books, including How Mama Brought the Spring; Baby, Come Out!; Latkes and Applesauce: A Hanukkah Story; and The Tushy Book. There is a real Katie Woo — she's Fran's great-niece — but she never gets in half the trouble of the Katie Woo in the books. Fran writes on her beloved MacBook in New York City.

Tammie Lyon, the illustrator of the Katie Woo and Pedro series, says that these characters are two of her favorites. Tammie has illustrated work for Disney, Scholastic, Simon and Schuster, Penguin, HarperCollins, and Amazon Publishing, to name a few. She is also an author/illustrator of her own stories. Her first picture book, Olive and Snowflake, was released to starred reviews from Kirkus and School Library Journal. Tammie lives in Cincinnati, Ohio, with her husband Lee and two dogs, Amos and Artie. She spends her days working in her home studio in the woods, surrounded by wildlife and, of course, two mostly-always-sleeping dogs Tammie Lyon, the illustrator of the Katie Woo and Pedro series, says that these characters are two of her favorites. Tammie has illustrated work for Disney, Scholastic, Simon and Schuster, Penguin, HarperCollins, and Amazon Publishing, to name a few. She is also an author/illustrator of her own stories. Her first picture book, Olive and Snowflake, was released to starred reviews from Kirkus and School Library Journal. Tammie lives in Cincinnati, Ohio, with her husband Lee and two dogs, Amos and Artie. She spends her days working in her home studio in the woods, surrounded by wildlife and, of course, two mostly-always-sleeping dogs.