"Find the Culprit, Detective! Wahaha Elementary School Edition" by Saori Suzuki / Keirin Books #SaoriSuzuki #KeirinBooks #Books #ForeignLiterature/Other Costco Purchase 2,450 yen Using the windows on the cover, find the culprit of the case from the hints in the main story. This is a new-sense mystery book. We read it while having fun with our children. The cover has a little peeling, but the inside is in a clean condition. It has been stored on the home bookshelf.