About the Author

Gakken has been the No. 1 educational publisher in Japan since 1946. Gakken's mission has always been to produce fun-first, educational materials for families. In addition to publishing bestselling workbooks, the company is widely respected in academic circles-publishing popular teaching materials for preschools, kindergartens, and primary schools. Gakken also runs more than 14,000 learning centers called "Gakken Classrooms" and operates nursery schools-all inspired by the successful formula used in their workbooks.