"To Each His Own" is a mystery novel that follows a professor in a small Sicilian town who becomes obsessed with solving a double murder after receiving an anonymous letter. As he delves deeper into the investigation, he uncovers a web of corruption and deceit that reaches to the highest levels of power in his town. Despite his best efforts to bring the truth to light, he finds himself in danger as those involved in the murders will stop at nothing to keep their secrets hidden.

This novel delves into the murky world of Sicilian society, where the Mafia's influence permeates every level. When a businessman is murdered, the investigation is met with a wall of silence, indicative of the fear and complicity that hampers the pursuit of justice. The protagonist, a determined police captain, faces numerous obstacles as he attempts to unravel the complex web of connections that shield the true culprits. His quest exposes the deep-rooted corruption and the challenges of confronting an entrenched criminal organization that operates within a code of silence and intimidation.