Bobby George is a lifelong student and entrepreneur, with a PhD in philosophy. Bobby and his wife, June George, founded and run Baan Dek - the first Montessori school in South Dakota. They also own and operate Montessorium, a Montessori app company. Alyssa Nassner is an illustrator and hand letterer based out of Minneapolis. She is the illustrator of the Montessori series for Abrams as well as several books for Chronicle and Ivy Press.