For this assignment you need sources related to the daily life or social history in the country your character is from. To find interesting books, go to OSCAR, the online catalog and do searches like the following:
China and social life and customs
Japan and social history
You can also do more specific searches. For example
soldiers and japan and world war ii
intellectuals and china
NOTE If you don't find enough books in OSCAR, just click on the LINK+ icon on the right side of the OSCAR screen to get access to the catalogs of many more California libraries. You can request the books from LINK+ and you will get them within 3 working days.