Honne Sōsa Series by Toshi Konno - 4 Paperback Book Set I love Toshi Konno's mystery novels and have read many of them. They are all masterpieces that you can read in one sitting. [Set Contents] Onmitsu Sōsa (Covert Investigation) ko-42-51 Onmitsu Sōsa 2 (Covert Investigation 2) ko-42-52 Onmitsu Sōsa 3 (Covert Investigation 3) ko-42-53 Onmitsu Sōsa 3.5 (Covert Investigation 3.5) ko-42-54 I have handled them with care, so they are in relatively good condition, but they are used books stored at home. Please understand. (650)