Insidious: An FBI Thriller, Book 20

In "Insidious," the twentieth installment of Catherine Coulter's FBI series, agents Savich and Sherlock are drawn into a perilous investigation involving Venus Rasmussen, an influential eighty-six-year-old businesswoman who suspects she is being poisoned. As attempts on her life escalate, the agents must unravel family secrets and confront the sudden reappearance of a long-lost grandson. Meanwhile, Special Agent Cam Wittier investigates a series of gruesome murders targeting young actresses in Los Angeles, uncovering unsettling truths along the way. With rapid pacing and unexpected twists, this thriller promises to keep listeners on the edge of their seats until the final revelation.