Grant Blackwood

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...

Even though he's on forced leave from the clandestine intelligence group known as The Campus, Jack Ryan, Jr., still finds himself caught in the crosshairs after an attempt on his life is thwarted when he turns the tables on his would-be dispatcher. Convinced that the attack is linked to his recent covert actions with the convalescing Iranian national Ysabel Kashini, Jack sets out to find out who wants him dead - and why. Using clues found on the now...

"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 and now her life may be in danger. She needs Luke's help. Immediately. Racing to Belgium Luke quickly finds that she was right. A shadow team of highly-trained operatives are there on the hunt. Intervening, he finds himself embroiled in a war between two determined sides - one...

"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...

After discovering a U-boat in a Delaware swamp containing a map to Napoleon's "lost cellar," the Fargo brothers race to find the treasure before a rival collector can.

From New York Times bestselling authors Steve Berry and Grant Blackwood comes an action-packed adventure: in the waning days of the Cold War, Luke Daniels embarks on a quest in search of the legendary library of Ivan the Terrible—the unlikely key to ending a looming threat orbiting two hundred miles above the earth. 
Wrapping up his latest assignment for the Magellan Billet, Luke Daniels receives a...