A translated interview with Joker Game author Yanagi Kouji originally published on Shukan Bunshun Web (March 1, 2015). Shukan Bunshun Web conducted the interview a few months after the release of the fourth book in the novel series.
A first-rate spy mystery which pulls tricks on its readers
Yanagi Kouji-san published his latest work “Last Waltz” of the Joker Game series. The series sold a cumulative total of one million copies. In this book, the spies of the former Japanese army’s non-conformist “D-Agency” secretly maneuver all over the world once again.