This is the 5th novel of the detective Kaga series by Higashino Keigo. If you are not familiar with Higashino Keigo, he is certainly the most famous contemporary Japanese writer of mystery and detective novels. His books are systematically translated into Korean, but sadly, there are only a few translations available in English or French… Detective Kaga series is maybe the main series of Higashino Keigo. The first novel of the series was published in 1986 and the last one only some years ago. Reading the books of the series in order allows us to see how Highashino Keigo himself evolved and how the society changed, too. For example, the use of cellphones or other “new technologies” is slowly introduced and used in his novels. I would say that the first three novels of the series,「卒業」, 「眠りの森」 and 「悪意」, where more or less focused on Kaga himself and you could say that he was the protagonist or one of the protagonists of the novels. In this three novels, we get to learn a little about …