Insidious: An FBI Thriller, Book 20

In "Insidious," the twentieth installment of Catherine Coulter's FBI series, agents Savich and Sherlock confront the peril surrounding eighty-six-year-old Venus Rasmussen, a powerful matriarch who suspects poisoning from someone close to her. As they investigate potential motives among her family and the recent reappearance of her long-missing grandson, the danger intensifies. Meanwhile, Special Agent Cam Wittier teams up with Detective Daniel Montoya in Los Angeles to track down the Starlet Slasher, a serial killer targeting young actresses, leading her to unsettling truths. With rapid pacing and surprising twists, this thriller promises to keep listeners on the edge of their seats.