This guidebook by OMF offers helpful insights on Japan and its culture, this short book outlines Japan's history and religions, and addresses questions and difficulties that Japanese may have about Christianity. It includes some practical advice for Christians on sharing their faith with Japanese friends, as well as useful cultural background.
(This book replaces OMF/ISCS's "Making Friends with Japanese People" and draws on ISI's "How to Share the Good News with your Japanese Friend.")