West Baden Murders Series Books One Through Three - Patrick J. O'Brian - Bog

Reaper: Paul Clouse's world is turned upside down when his wife is murdered on Halloween. A firefighter by trade, he spends his days off working at the West Baden Springs Hotel during its restoration, throwing himself further into the work as a widower. A string of gruesome murders soon follow him to the hotel, committed by a killer disguised as the Grim Reaper. Clouse becomes the prime suspect when two local detectives think he's the only person with motive. Knowing his friends and family are potential targets, Clouse embarks on a desperate search for the truth before it's too late.
Retribution: One year later Paul Clouse believes his life his back to normal, but an attempt on his life and a horrific murder threaten to close the doors of the West Baden Springs Hotel forever. The wheels are set in motion for Clouse and his friends to discover the identity of the new killer before they all become victims. The body count rises on the hotel grounds as Clouse works with a state police detective to discover the murderer's motive. The loss of a close friend threatens to unravel him enough to endanger his impending marriage and the grand opening of the hotel he loves, but Clouse vows to avenge his friend by bringing the killer to justice.
Sins of the Father: Now remarried and adjusting to his new life, Paul Clouse thinks it is safe to leave his house on Halloween night. Two brutal homicides of people close to him force him to realize the grim nature of his situation, and the fact that someone far more devious and capable than before is out to destroy him. The discovery of several journals at an abandoned estate reveals some of the West Baden Springs Hotel's deepest secrets to him, but he may not discover the truth quickly enough to save his loved ones from certain death at the hands of yet another homicidal maniac.