Patrick Bowers has pursued the nation's fiercest serial killers - and now one elusive foe is back for revenge. Settling into a new post at the FBI academy, Patrick and his fiancée, Lien-hua Jiang, are planning their future together with his stepdaughter, Tessa. But just when his life seems normal, a demon from the past returns to draw him down a dark road he hoped had closed forever.

Who is the Piper? Special Agent Patrick Bowers returns in an electrifying prequel to the Bowers Chess series from critically acclaimed, national best-selling novelist Steven James. A mysterious suicide and a series of abductions draw Patrick into a web of intrigue involving an international conspiracy where no one is who they appear to be and the stakes have never been higher.

Supernatural investigator Quincey Morris and his partner, "white witch" Libby Chastain, are each in pursuit of a vicious killer. One is murdering small children for their bodily organs; the other is hunting down white witches - and Libby may be next.

FBI Special Agent Patrick Bowers grapples with a baffling series of murders in Detroit - and discovers a terror plot whose roots stretch back centuries. Consulting on a case, Patrick encounters the work of a killer who displays a stunning degree of ruthlessness. Patrick is shocked to find that the slayings are linked not just to his own history with a known terrorist but to a former lover as well - and that her secret past might hold the key to stopping the countless deaths.

When a clandestine FBI facility is attacked, Special Agent Patrick Bowers is drawn into the vicious, ruthless story that a killer from his past is bent on telling the world. Clues lead to long forgotten secrets buried deep beneath uptown Charlotte, North Carolina. Now, Bowers is caught up in trying to stop one of the most deadly attacks ever planned on American soil.