Girl, His

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 victims of a new serial killer appear with a mysterious key left on each body, Ella knows she's up against a diabolical mastermind. What might each key unlock?

FBI Agent Ella Dark, 29, is given her big chance to achieve her life's dream: to join the Behavioral Crimes Unit. Ella's hidden obsession with 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.

In a wild game of cat and mouse, Ella must track these keys to their sources, and discover the twisted secrets hiding inside them.

But when the keys strike too close to home, everything changes.

Is Ella on the verge of a huge discovery? Or is she walking straight into a trap?

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.