"Former Army Ranger Tucker Wayne and his war dog Kane are thrust into a global conspiracy that threatens to shake the foundations of American democracy in this second exciting Sigma Force spinoff adventure from New York Times bestselling authors James Rollins and Grant Blackwood. Tucker Wayne's past and his present collide when a former army colleague comes to him for help. She's on the run from brutal assassins hunting her and her son. To keep them...

The world's deadliest bioweapon, SEREX, has been hijacked by a gang of airborne terrorists. The commander, McNeil, who succeeds in returning the virus to safe hands, is accused of being a double agent and must gamble with the virus to expose the conspiracy's real mastermind.

When a doomsday virus is stolen, lawyer Sasha McCandless and her new boyfriend Leo Connelly must prevent the release of the ultimate biological weapon.

In a shocking act of domestic terrorism, a deranged veteran detonates a biological weapon inside a crowded Federal Building. His purpose: To expose the government's secret development of a toxic gas that instantly affects the human adrenal system, causing men, women, and children to become inhumanly aggressive and violent. Now the virus is spreading. The building is quarantined. And on the upper floors, a small group of uninfected survivors must band...

The first target is Dallas, Texas. A deadly nerve gas called New Archangel is unleashed upon the City of Angels, claiming innocent lives, spreading nationwide panic, and fueling global fears of another attack. In the icy reaches of rural Alaska, special agent Jericho Quinn is enlisted to hunt down the man who created the bioweapon--a brilliant Russian scientist who is trying to defect and hiding in the Alaskan wilderness. But time is running out....