Carmen Sanchez is a tough Homeland Security agent who plays by the rules. But when her sister is attacked, revealing a connection to a series of murders across Southern California, she realizes a conventional investigation will not be enough to stop the ruthless perpetrator. With nowhere else to turn, Sanchez enlists the aid of Professor Jake Heron, a brilliant and quirky private security expert who, unlike Sanchez, believes rules are merely suggestions. The two have a troubled past, but he owes her a favor and she’s cashing in.

Ten years ago, legendary author Riley Cannon produced three of the best-selling thriller novels of all-time. Then, she vanished, leaving the final three books of the saga unfinished and producing the biggest mystery in the history of publishing. Now, a decade later, there is word from her mega-agent, the glamorous and powerful Topaz Kennedy, that a new Cannon novel is all-but-finished. But, Topaz knows the truth: Riley Cannon hasn’t even started the book. With the clock counting down to the publication date, desperate measures are needed.

A master assassin craves one thing above all else: a normal everyday life. Trained to be a killer from the age of 11, Peter has never known the things the average person takes for granted. He has always been an asset. Burned by the CIA and now occupying their secret hit list, he works overseas as a Ronin, living a solitary life in hiding. But someone knows where he is. A strange man arrives at his door offering Peter the chance of a real life. "Get this done and you can be free," he is told.

Pulled off an undercover assignment, Widow returns home to a small town in Mississippi - a place he tried to forget. Taken to be a worthless drifter by the locals, Widow uses his skills to uncover the truth about his mother's last investigation. What was she looking for? What he discovers is an unsolved mystery of missing girls and townspeople harboring a deadly secret - a secret they'll die to protect.

A Karin Slaughter Will Trent thriller collection featuring Fallen, Criminal, and Unseen