There are currently no other books in the children's market called "Montessori".; There are an estimated 7,000 certified Montessori schools worldwide and numerous more that use the name and select tenets.; While counting board books are the mainstay of children's concept shelves, none teach quantity before numeral, with traceable numbers and number rod imagery.; Features cumulative tabs emulating the growing number rod and a gritty sandpaper finish for tactile tracing.

The scientific pedagogy of Maria Montessori informed a revolution in education that continues today, 100 years later. Montessori schools focus on hands on learning with specifically designed materials that allow students to understand the world through methodical and self directed work. According to Montessori, play is work and the explorations of children are what ultimately lead to their learning and understanding. Bobby George is a life long student and entrepreneur. A PhD candidate in philosophy, Bobby and his wife, June, founded and run a Montessori school in Sioux Falls, South Dakota, the first Montessori school in the state. They also own and operate Montessorium, a Montessori app company, as well as June Books, a publishing venture dedicated to Montessori inspired storybooks.