Description: Keigo Higashino is a Japanese author chiefly known for his mystery novels. He served as the 13th President of Mystery Writers of Japan from 2009 to 2013. Higashino has won major Japanese awards for his books, almost twenty of which have been turned into films and TV series. Through the large and small "cases" that occur on campus and in life, the teacher guides students to solve difficult problems, so that children can improve their logical thinking skills in relaxed and happy reading, and develop a kind, brave, and upright character as well as the foundation of life.