"FBI agent Jessica Blackwood believes she has successfully left her complicated life as a gifted magician behind her, until a killer with seemingly supernatural powers puts her talents to the ultimate test. A mysterious hacker, who identifies himself only as "Warlock," brings down the FBI's website and posts a code in its place. It hides the GPS coordinates of a Michigan cemetery, where a dead girl is discovered rising from the ground, as if she tried...

"In Black Fall, the third book in the ITW Award-nominated series that began with self-published eBook phenomenon Angel Killer, magician-turned-FBI agent Jessica Blackwood investigates a series of seemingly unrelated, but equally bizarre and sinister, crimes that lead her to the Colorado desert and a town that has, simply, disappeared. With two big cases under her belt, FBI Agent Jessica Blackwood is learning to embrace her unconventional past as the...

A mysterious electrical storm plunges Manhattan into darkness. As a strange, smothering fog rolls in, all communication crashes. In the blink of an eye, the island seems to vanish into a void. FBI special agent Jessica Blackwood and brilliant scientist Dr. Theo Cray know this isn't a freak accident. It's a sinister sleight of hand. Their greatest adversary, a serial killer and cultist known as the Warlock, has escaped during a prison transfer in New...

When a young woman washes ashore on a Fort Lauderdale beach, Sloan McPherson of the Underwater Investigation Unit is called in to consult. Sloan's instinct says murder, but even then, there are too many questions. For answers she reaches out to Gwen Wylder. The Miami homicide detective is notorious for being manipulative, bitter, a tyrant to her peers, and wicked smart. And she demands something in return from Sloan: fresh insight into seemingly unrelated...

Professor Theo Cray caught one of the most prolific serial killers in history using revolutionary scientific methods. Cut off from university research because of the shroud of suspicion around him after the death of his former student and the aftermath of catching his quarry, Cray tries to rebuild his life but finds himself drawn into another unsolved case. The desperate father of a missing child, ignored by the authorities and abandoned by his community,...

Pulled out of retirement when someone sabotages an innovative aerospace project, Brad Tasker, drawn into a dangerous conspiracy-and a string of suspicious deaths, is targeted by assassins and, with no one to trust, must adapt to a new game of espionage or die.

"Dr. Theo Cray has a legendary mathematical knack for catching serial killers. Until his exposure to a mind-altering pathogen knocks him off his game. It has upended an investigation, destroyed his reputation, and left him to question his own sanity. One person still trusts him to finish the job. His former professor Amanda Paulson is helping point Cray down a logical path to his prey: a nomadic health-care worker whose murder spree stretches back...