"This is volume 1 in a set designed to teach about Japanese language and culture." By Tomoko Iwai, et al., University of Hawaii,

"This is volume 2 that was created to help teach about the Japanese language and culture." By
Tomoko Iwai, et al., University of Hawaii,

Geared to "working adults. . . . The main focus is on oral communication." By Emiko Konomi, or Portland State U.

"This textbook is designed for beginning learners who want to learn basic Japanese for the purpose of living and working in Japan." Includes audio files. By Emiko Konomi.

"This textbook is designed for beginning learners who want to learn basic Japanese for the purpose of living and working in Japan." Includes audio files. By Emiko Konomi.

"This textbook is designed for students who have intermediate competency in Japanese, roughly at Level 2 on the ILR (The Interagency Language Roundtable) proficiency scale, and are working on reaching Level 3." Audio files included. By Emiko Konomi.