There's a sudden spike in murders in Philadelphia, but no one seems to mind much because the victims are all lowlifes. However, when vigilante groups spring up claiming credit for some of the murders, Homicide Sergeant Matthew Payne hopes it isn't true. As the targets get bigger and events start moving out of control, Payne realizes that if he and his colleagues can't figure out who's behind this very soon, the violence could overtake them all.

"Nikki Griffin isn't your typical private investigator. In her office above her bookstore's shelves and stacks, where she luxuriates in books and the comfort they provide, she also tracks certain men. Dangerous men. Men who have hurt the women they claim to love. And Nikki likes to teach those men a lesson, to teach them what it feels like to be hurt and helpless, so she can be sure that their victims are safe from them forever. When a regular PI...

"Flora Dane is a victim. Seven years ago, carefree college student Flora was kidnapped while on spring break. For 472 days, Flora learned just how much one person can endure. Flora Dane is a survivor. Miraculously alive after her ordeal, Flora has spent the past five years reacquainting herself with the rhythms of normal life, working with her FBI victim advocate, Samuel Keynes. She has a mother who's never stopped loving her, a brother who is scared...

"Nikki Griffin, a private investigator when she isn't running her small bookstore, is on a case. The matriarch of one of the wealthiest San Francisco families has been defrauded by a con-man, and her furious son enlists Nikki to find the money. And find the con-man. Nikki isn't a fan of men who hurt women. Her secret mission, born of revenge and trauma, is to do everything she can to remove women from dangerous situations--and to punish the men responsible....

"'We're going to murder people who need to be murdered.' So begins a press release from a mysterious group known only as "The Five," shortly after a vicious predator is murdered in San Francisco. The Five is believed to be made up of vigilante killers who are very bored and very rich. They target the worst of society and then use their unlimited resources to offset the damage by donating untraceable Bitcoin to charities and victims via the dark net....

"Investigative reporter Nora Hesper spends her nights cloaked in shadows. As Indigo, she's become an urban myth, a brutal vigilante who can forge darkness into weapons and travel across the city by slipping from one patch of shadow to another. Her primary focus both as Nora and as Indigo has become a murderous criminal cult called the Children of Phonos. In a brilliant collaboration by New York Times and critically acclaimed coauthors Charlaine Harris,...

"As a chill sets in on New York City in the winter of 1888, a jewel thief dubbed the "Robin Hood of the Lower East Side" has been stealing from the city's wealthiest and giving to the poor. Genevieve Stewart--a young woman whose family is part of Mrs. Astor's famed 400 but who has forged a life of her own as a reporter--decides to chase the story, but gets more than she bargained for: a murder victim sprawled in a dark alley in the dangerous Five...

On the surface, Rachel Marin is an ordinary single mother; on the inside, she's a fierce, brilliant vigilante. After an unspeakable crime shatters her life, she changes her identity and moves to a small town in Illinois, hoping to spare her children from further trauma... or worse. But crime follows her everywhere. When the former mayor winds up dead, Rachel can't help but get involved. Where local detectives see suicide, she sees murder. They resent...

The home of a family of five is now a crime scene: four of them savagely murdered, one--a sixteen-year-old girl--missing. Was she lucky to have escaped the carnage? Or does her absence speak of something more sinister? Sergeant Detective D.D. Warren is on the case--but so is survivor-turned-avenger Flora Dane. Seeking different types of justice, they must make sense of the clues left behind by a young woman who, whether as victim or suspect, is silently...