Katana to Kasa: Meiji Keiraku Suiricho is a linked historical mystery set in late-Edo Kyoto. Owari retainer Moromitsu Kano and the future justice minister Shinpei Eto confront locked-room puzzles, poisonings, and strange deaths while the novel also captures the sorrow of ordinary people caught in political upheaval.

Two investigators illuminate mysteries born in the shadows of late-Edo Kyoto with rigorous logic.