English
Another famous math book written by Jeanne Bendick who also wrote "The Day The Numbers Disappeared" (now on this website). It applied to school children, and the book was printed in 1965, revised in 1966 (Book 1). Six more books in the series would follow (see back page).
無料アカウントにログインすると、読書・EPUBのダウンロード・音声の再生ができます。