Harlan Coben's "Tell No One"

A pediatrician who is a grieving husband after his wife's abduction and murder, a serial killer, a witness, a mysterious email to the pediatrician after 8 years impersonating his wife and a rich man whose legacy is in danger. This premise catapults this novel into an intriguing suspense at the very beginning. The build up to the revelations that ensues is interesting and convincing. A flawless narration and a decent climax keeps the readers engrossed till the end.