Detective Detective series by Keisuke Matsuoka, all 4 volumes, novelization of the drama. - Title: Detective Detective - Author: Keisuke Matsuoka - Series: Detective Detective series - Volumes: Complete set of 4 volumes - Drama adaptation: Novelization of the drama - Release date: July 9, 2015 - Price: 510 yen each Thank you for viewing. There are no noticeable stains or scratches, but it has been stored in a dark place at home.