Ellen Mayer is an award-winning author of lively children's books that help build language and math skills. She has a background in early childhood education, as a researcher and early literacy home visitor. Ellen lives with her husband in Cambridge, Massachusetts. And while her grandchildren all live close by, she still mails them gifts in boxes they can open with delight.

Brizida Magro is an illustrator and educator based in Boulder, Colorado, who grew up in Portugal. She teaches illustration at Rocky Mountain College of Art and Design. Brizida is also the illustrator of Saturday at the Food Pantry by Diane O'Neill and Let Me Call You Sweetheart by Mary Lee Donovan. She is passionate about rock climbing and wandering the world. She enjoys simplicity, wee characters, collecting vintage papers, and bringing stories to life.