"In this action-packed thriller in the New York Times bestselling Tom Clancy's Op-Center series, America's elite task force must take down a group of ruthless domestic terrorists determined to paralyze the country through extreme acts of violence. They are known as the Black Order. Self-proclaimed patriots and survivalists, they refuse to surrender their values and beliefs to the left-leaning cultural and progressive forces threatening their nation....

"The warm fall day starts like any other at the Center--a women's reproductive health services clinic--its staff offering care to anyone who passes through its doors. Then, in late morning, a desperate and distraught gunman bursts in and opens fire, taking all inside hostage. After rushing to the scene, Hugh McElroy, a police hostage negotiator, sets up a perimeter and begins making a plan to communicate with the gunman. As his phone vibrates with...

"They are known as the Black Order. Self-proclaimed patriots and survivalists, they refuse to surrender their values and beliefs to the left-leaning cultural and progressive forces threatening their nation. Military veterans and high-tech specialists, they've begun a savage war which includes public assassinations of politicians and celebrities and high-profile bombings, striking without warning or mercy. The Black Order wants nothing less than complete...

"Jo Faber is packing up the home she and her brother Samuel inherited. For generations, the Fabers have lived near Eden Mine, but Jo and Samuel will be the last. At the moment she hears the news of the bombing on the radio, Jo knows nothing, but she also knows that something isn't right. The arrival of their friend and unofficial guardian, Sheriff Hawkins, confirms her suspicions. Samuel said he was going to find work. But soon it's clear that he's...