This is a set of three books from the Oshiri Tantei (Butt Detective) series. They are very popular with elementary school students. Books can be sold separately. ⚫︎3 Fumeitsu no Settoudan (The Immortal Thief Gang) ⚫︎4 Kaitou vs Tantei (The Phantom Thief vs. Detective) ⚫︎6 Ayaushi Tantei Jimusho (Danger! The Detective Agency) - Author: Troll - Volume: 3-volume set - Publisher: Poplar Publishing - Target age: Preschoolers, Elementary school students These books were newly purchased from a bookstore. All books have covers. The covers have minor scratches and scuffs, especially on the top, but the books inside are in good condition. Please check the photos for the condition. These books have been read by a child, so please understand that they are used items before considering or purchasing. Children's books Poplar Morning reading Reading material