Lauren Heller and her husband Roger, a brilliant executive at a major corporation, are attacked in a Georgetown parking lot after an evening out. Knocked unconscious by the assailants, Lauren lies in a coma in the hospital while her husband has vanished without a trace. With nowhere else to turn, Lauren's teenage son Gabe reaches out to his uncle, Nick Heller, a high-powered investigator with a corporate intelligence firm in Washington, D.C. Having...

In an effort to get her security consulting business off the ground, Kelsey Allen has been spending a lot of time up in the air, rappelling down buildings and climbing through windows to show business owners their vulnerabilities to thieves. When she is hired to pose as a conservator at the Pink Palace Museum in order to test their security weaknesses after some artifacts go missing, she's ecstatic. But when her investigative focus turns from theft...

Nick Heller comes to the aid of family friend Marshall Marcus, whose daughter Alexandra, has been kidnapped and held captive in an underground crypt; but as Nick digs deeper into Marshall's life, he finds that his criminal activities have left behind scores of enemies that reach to the highest levels of government.

"Christian O'Brady was pulled into a life of crime at a young age by his con artist parents. Now making amends for his corrupt past, he has become one of the country's foremost security experts. When a string of Southwestern art heists targets one of the galleries Christian secured, he is paired up with a gifted insurance investigator who has her own checkered past. Andi Forester was a brilliant FBI forensic analyst until one of her colleagues destroyed...

Bank security expert Jack Stanfield specializes in designing infallible theft-proof financial computer systems. But there is a hidden vulnerability in the system he didn't account for -- himself. When a ruthless criminal mastermind kidnaps his family, Jack is forced to find a flaw in his system and steal $100 million in a matter of hours.

A security consultant receives a key to a storage unit from a dead woman, a reputed ecoterrorist. Inside is a taxidermied animal. Seeking for why the woman contacted her, time is running out, for her and the world. Security consultant "Jane Smith" receives an envelope with a key to a storage unit that holds a taxidermied hummingbird and clues leading her to a taxidermied salamander. Silvina, the dead woman who left the note, was a reputed ecoterrorist...

Ray Breslin, one of the world's foremost authorities on structural security, agrees to take on one last job: breaking out of an ultra-secret, high-tech facility called The Tomb. Deceived and wrongly imprisoned, Ray must recruit fellow inmate Emil Rottmayer to help devise a daring, nearly impossible plan to escape from the most protected and fortified prison ever built.

"After searching for her sister for two long years, Kate Gallagher is devastated when she's called to the morgue to identify Chrissy's body, the runaway teen the victim of a brutal attack. Guilt and grief send Kate into a tailspin. She failed Chrissy once...she won't do it again. Even if finding her sister's killer means following a lethal bounty hunter into the heart of darkness, placing both their lives in danger. Working at Maximum Security has...

"Jared Macalester is, to all appearances, a trackwalker for the Union Pacific. His first notable action in this entertaining Western pot-boiler is to throw a boorish cowboy off a train, while the train is in motion. The cowboy had been petering a woman newspaper editor Before Macalaster can show his face in the tale, bandits rob a UP train of its money shipment, and kill an agent. Macalester has, in fact, been assigned by the Faraday Security Agency...

"It started out as a silly idea to bring buyers back to Abilene. Wrangle some buffalo, put them on a train, and ship them to Chicago so folks back east could see the massive, shaggy beasts with their own eyes. The concept seemed sound. What could go wrong? But for John Creed, agent for the famed Faraday Security Service, it was anything but simple. First, Hank Miles was willing to do whatever was required to prevent the plan from succeeding. Hiding...