| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Blade of the Samurai: A Shinobi Mystery | 978-1-250-02705-4 (1-250-02705-5) | 2014 |
| Claws of the Cat: A Shinobi Mystery | 978-1-250-02702-3 (1-250-02702-0) | 2013 |
| Flask of the Drunken Master: A Shinobi Mystery | 978-1-250-02706-1 (1-250-02706-3) | 2015 |