Popular picture book series "Oshiri Tantei" 11-volume set. - Series Name: Oshiri Tantei - Publisher: Poplar Publishing - Number of Volumes: 11 books - Price: 980 yen - Language: Japanese Thank you for viewing. This is the 11-volume set of Oshiri Tantei. There are no markings inside, but some covers are wrinkled or torn (as shown in the photos. Please take a look). Some books have only cover damage, but the books themselves are in good condition. We hope you will consider purchasing them.