The Psychologist and the Psychopath - David Joseph Mysteries, #2

David Joseph is a brilliant psychologist with a knack for solving the most twisted murder cases. This time, he finds himself in the crosshairs of a vengeful psychopath. What begins as a murder of a young girl soon spirals into a deadly game, with David as the killer's next target. As more people linked to David's past cases fall victim to the killing spree, the stakes get higher than ever. Together with his brother-in-law, Inspector Raj Kumar, David races against time to stop the elusive killer.
But this is no ordinary adversary, and the investigation will test their resolve - and David's sanity - like nothing they've encountered before.