The rarely, if ever, told story of Japanese sold as slaves by Portuguese traders

The subject of this slim volume is “a series of events that are essential in understanding Japanese history” — events “totally unknown, incredible, and unpleasant to read.”
Read more: https://www.japantimes.co.jp/culture/2013/05/26/books/the-rarely-if-ever-told-story-of-japanese-sold-as-slaves-by-portuguese-traders/#.WoDu6ujwaM9?source=Snapzu