In the chilling conclusion of the Girl Who Ran trilogy, Tess McClintock and Michael Carter continue the investigation into the disappearances of young girls in the Pacific Northwest.

With the closure of the oldest cold case in Paradise Hill, and the potential closure of two more, amateur sleuth and crime reporter Tess McClintock continues to work with FBI Special Agent Michael Carter. When doubts about the killer's identity arise, Tess and Michael to dig deeper into the cases, with help from members of The Missing - the internet sleuth group Tess belongs to.  

Investigative reporter Tess McClintock and FBI Special Agent Michael Carter track down clues in the most important cold case to them both - the disappearance of Tess' friend Lisa Tate, who went missing from Michael's back yard almost 20 years earlier. Working together, they uncover evidence that suggests a different killer than the police and FBI have identified.

FBI Special Agent Rachel Gift is among the FBI’s most brilliant agents at hunting down serial killers. She plans on doing this forever - until she discovers she has months left to live. Determined to go down fighting and to keep her diagnosis a secret, Rachel faces her own mortality while trying to save other’s lives. But how long can she go until she collapses under the weight of it all? 

Twelve cold cases. Twelve kidnapped women. One diabolical serial killer. In this riveting suspense thriller, a brilliant FBI agent faces a deadly challenge: decipher the mystery before each one is murdered. Will Maya end up sucked too deep into this killer’s twisted cat-and-mouse game to notice that she, herself, is the prey?

With a rash of people dying suspiciously from high bridges, jumping to their deaths in apparent suicides, the FBI is called in to investigate. On suspicion of a serial killer, FBI Special Agent Rachel Gift is assigned the case - and soon realizes that she is up against something more diabolical than she could have imagined. Among the FBI’s most brilliant agents at hunting down serial killers, she plans on doing this forever - until she discovers she has months left to live. Rachel decides not to tell anyone - and to go down fighting, taking as many serial killers with her as she can.

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. When johns are found murdered in their cars, the echoes of past cases are clear: It appears to be a jilted prostitute turned serial killer. But might everything Ella learned be wrong?

Alexa Chase, 34, a brilliant profiler in the FBI’s Behavioral Analysis Unit, was too good at her job. Haunted by all the serial killers she caught, she left a stunning career behind to join the US Marshals. As a Deputy Marshal, Alexa - fit, and as tough as she is brilliant - could immerse herself in a simple career of hunting down fugitives and bringing them to justice.

Twelve-year-old Amy Birkbeck is checking her bat boxes late one cold January evening in the woods by her house. She witnesses something no child should ever see—a group of men rolling a body into the deep pool of the disused old clay pit. Meanwhile, DCI Sophie Allen's team is falling apart. One of the members of the unit goes missing. Surely he couldn't be the body in the pool? Or is something much darker going on? Then a second body is found in the disused clay pit. And it seems the dead man is connected to a suspected arms dealer....

In this best-selling mystery series, FBI Special Agent Ilse Beck, victim of a traumatic childhood in Germany, moved to the US to become a renowned psychologist specializing in PTSD, and the world’s leading expert in the unique trauma of serial-killer survivors. By studying the psychology of their survivors, Ilse has a unique and unparalleled expertise in the true psychology of serial killers. Ilse never expected, though, to become an FBI agent herself.

When a body turns up on a high-speed train passing through France, Germany, and Italy - clearly the work of a serial killer - authorities wonder: Whose jurisdiction is it? FBI Special Agent Adele Sharp - triple agent of the US, France, and Germany - is called in as the only one capable of maneuvering the layers of authority and of tapping her brilliant mind to stop the killer. But as more victims turn up - on other trains, in other countries - the case grows increasingly complex.

An Italian couple vacationing in Germany is found brutally murdered, causing an international outcry. FBI Special Agent Adele Sharp is the only one with the international expertise to cross borders and stop the killer - and she finds herself working alongside her estranged father, who knows far more about her mother’s unsolved murder than he lets on. Though still shaken from the recent events in Paris, Adele must embark on a wild chase across Germany, uncovering lies and deception at every turn. Can Adele and her father heal the rift between them?

When a seemingly unconnected string of murders occurs in vacation homes scattered throughout the French countryside, many involving American, German and Italian expats, FBI Special Agent Adele Sharp — triple agent of the US, France, and Germany — is called in to cross borders and use her brilliant mind to figure out who is behind it. Are the murders coincidental? Or are they the work of a single, deranged serial killer? And can Adele stop him before he strikes again?

When masked victims turn up dead at midnight balls in Venice, FBI Special Agent Adele Sharp - triple agent of the US, France and Germany - is summoned to find the killer before he can strike again. As Adele navigates the historic canals of Venice in her hunt for a killer, she wonders if there is an unseen pattern to the murders. Is it a nod to history? Or merely the work of a deranged mind? 

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 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. But this killer defies all Ella’s expectations. What message is he trying to send? Has Ella finally met her match?