Journey Under the Midnight Sun by Keigo Higashino
Journey Under the Midnight Sun is compelling and clever and not a typical mystery. A pawnbroker is found murdered in an abandoned building in Osaka in 1973. Detective Sasagaki is assigned to the case. He uncovers a lot of clues and possible suspects but is never able to charge anyone with the crime. The case reaches a dead end and Sasagaki is forced to give up his investigation. However, he continues to keep tabs on the two pre-teens involved in the case the daughter of Fumiyo Nishimoto: Yukiho, the daughter of a woman suspected of having an affair with the pawnbroker, and Ryo Kirihara, the dead man's son. We see how the crime affects their lives through the next 20 years.
The story is told from multiple points of view, mostly minor characters', letting us learn about the events and Yukiho and Ryo from various perspectives, but never from their viewpoint. A lot of characters get introduced, some of...