Grant Blackwood

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. The next day Jack is summoned to an apartment where two men claim Seth has disappeared -- gone to ground with funds for a vital intelligence operation. Jack's oldest friend has turned, they insist. They...

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...

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.

Through Tanzania and Zanzibar, into the rainforests of Madagascar, and across the Indian Ocean to Indonesia and the legendary site of the 1883 Krakatoa explosion, husband-and-wife treasure-hunting team Sam and Remi Fargo and their ruthless opponents pursue the hunt for a relic--but only one can win. And the penalty for failure is death.

"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...

Husband-and-wife team Sam and Remi Fargo must use their instinct for treasure-hunting to find a missing person in this novel in the #1 New York Times-bestselling series.
The Fargos are used to hunting for fortune, not people. But then 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. Would Sam...

On a journey that will take them to Tibet, Nepal, China, Italy, and Siberia, the Fargos find themselves embroiled with black-market fossils, an ancient Tibetan kingdom, a lost landmass in the North Sea, Stone Age ostrich egg shards inscribed in a cryptic language, a pair of battles separated by thousands of miles and hundreds of years ... and a skeleton that could just turn the history of human evolution on its head.

"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 is there on the hunt. Intervening, he finds himself embroiled in a war between two determined sides--one...