"Oshiri Tantei" Series 9-Volume Set - Series Name: Oshiri Tantei - Author: Troll 1: The Purple Lady's Code Case 2: The Giant That Vanishes in the Dark Night 3: The Immortal Thief Gang 4: Thief vs. Detective 5: SOS from the Ruins 6: The Detective Agency in Danger 7: The Mystery of the Observation Tower 9: Who Has the Lucky Cat?! Curry-licious Case All volumes do not have covers. Some books have scratches, but there are no writings or noticeable stains. *Sold as a set only. Thank you.