① Oshiri Tantei: Fumetsu no Settoudan (Butt Detective: The Immortal Thief Gang) ② Olympic no Obake Zukan (The Ghost Encyclopedia of the Olympics) Set of 2 books. My child has read these a few times and they have been stored at home. There are minor scratches, stains, and folds. Please understand that these are used books. No pets, no smokers. A fun picture book of Oshiri Tantei. - Title: Oshiri Tantei (Butt Detective) - Author: Troll - Publisher: Poplar Publishing - Series Name: Oshiri Tantei File - Price: 980 yen - Title: Olympic no Obake Zukan (The Ghost Encyclopedia of the Olympics) - Author: Hiroshi Saito - Price: 1100 yen Thank you for looking.