MARUGOTO 1 A2 KATSUDOMarugoto: Japanese Language and Culture is a coursebook that is based on the JF Standard for Japanese Language Education, and offers learning in both language and culture. Katsudoo: Coursebook for Communicative Language Activities aims to increase communicative skill and responds to the needs of learners who desire to become able to speak in Japanese with the Japanese people near them in as short a time as possible. Can understand sentences and