FBI Agent Ella Dark has studied serial killers from the time she could read, devastated by the murder of her own sister, and has gained an encyclopedic knowledge of murderers. But when a new killer begins claiming victims who have suffered tragedies themselves, Ella is at a loss. What could the connection mean? FBI Agent Ella Dark, 29, is given her big chance to achieve her life’s to join the Behavioral Crimes Unit. Ella’s hidden obsession of gaining an encyclopedic knowledge of serial killers has led to her being singled out for her brilliant mind, and invited to join the big leagues. Racing against a ticking clock, Ella must decode the link between the victims before another one dies. But this killer may be more dangerous—and delusional—than he appears. Will Ella manage to stop him in time? A page-turning and harrowing crime thriller featuring a brilliant and tortured FBI agent, the ELLA DARK series is a riveting mystery, packed with suspense, twists and turns, revelations, and driven by a breakneck pace that will keep you flipping pages late into the night.