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.
Bobby George and June George live in Sioux Falls, South Dakota, where they founded Baan Dek, the first Montessori school in the state, and run Montessorium, an app company.