A highly recommended East Asia modern history text is Andrew Gordon's "A Modern History of Japan", now in 4th edition.
If you teach about Japan, there are many resources online prepared by Learning Link: https://learninglink.oup.com/access/gordon-4e
Website Material Overview
1. For each individual book chapter there are study flashcards & self tests. These tests can be used by students online in self-learning or in tests offline.
2. The Resources section has information on sources for further study, possible research paper topics, and web/video links
3. The Assessment section has suggested Study and Discussion Questions. Per website: "The study and discussion questions below are those that historians of Japan typically ask their students, and each other. "
https://learninglink.oup.com/access/gordon-4e-student-resources#tag_chapter-01
Andrew Gordon's Harvard website: https://history.fas.harvard.edu/people/andrew-gordon
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