Jack Ryan Jr. is caught in the cross-hairs of a would-be tyrant in this exhilarating thriller in Tom Clancy's #1 New York Times bestselling series.
Jack Ryan, Jr., is on his own. He's been ousted from his position at the Campus, the off-the-books intelligence agency that was set up by his father, the President. As if that's not bad enough, someone is out for Jack‘s blood. The police think that he was just the victim of...

On a routine intelligence gathering mission in Tehran, Jack Ryan, Jr., has lunch with his oldest friend, Seth Gregory, an engineer overseeing a transcontinental railway project. As they part, Seth slips Jack a key, along with a perplexing message.

Sam and Remi Fargo are used to hunting for treasure, not people; but a Texas oil baron contacts them with a personal plea. An investigator friend of the Fargos was on a mission to find the oil baron's missing father, and now the investigator is missing too. On a journey that takes them to Tibet, Nepal, Bulgaria, India, and China, the Fargos will find themselves embroiled with black market fossils, a centuries-old puzzle chest, the ancient Tibetan...

"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...

From bestselling authors James Rollins and Grant Blackwood, the first installment in an exciting new thriller series based on the Sigma Force novels featuring former Army Ranger Tucker Wayne and his partner, Army working dog Kane, introduced in the New York Times bestseller Bloodline and the e-original story "Tracker." Former Army Ranger Tucker Wayne and his military working dog Kane are recruited by Sigma Force to extract a Russian pharmaceutical...

From New York Times bestselling author of the Cotton Malone series comes a thrilling, action-packed historical adventure that sends Luke Daniels on an international manhunt for the truth about the assassination of President John Kennedy.
Luke Daniels is in London, between assignments with the Magellan Billet, when he receives a frantic call from an old friend.  Jillian Stein is in trouble.  She made a mistake...