A collection of quizzes to train the brain for adults, containing 366 questions. - Title: Puzzles Adults Can't Solve: 366 - Publisher: Nazotown - Genre: Quiz - Price: 1760 yen - Target Audience: Adults - Contents: A collection of problems to train the brain Thank you for viewing. I received this as a gift, but I am selling it because I already have the same book. There is a slight line on the cover, but the inside is clean.