Grant Blackwood

Jack Ryan Jr. stands alone against powerful enemies in this thrilling novel in Tom Clancy’s #1 New York Times bestselling series.
 
On a mission in Tehran, Jack Ryan, Jr., meets his oldest friend, Seth Gregory. 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 with funds for a vital intelligence operation....

Jack Ryan investigates an attempt on his life and stumbles onto the trail of a philanthropist and human rights advocate who Jack believes is about to make a drastic move in order to secure his place among the global powers.

The complete international spy thriller trilogy from the #1 New York Times–bestselling author of Tom Clancy Duty and Honor—“Pure fun. Pure adventure” (Clive Cussler).
 
End of Enemies
A man is assassinated in front of CIA Agent Briggs Tanner, leaving him in possession of a mysterious key. Tanner’s search for answers leads him from the depths of the Pacific Ocean,...

"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...

While helping a former army colleague, who's on the run from assassins, Tucker Wayne and his military dog, Kane, must stop a psycho trying to commandeer all the resources of modern warfare.

Wrapping up his latest assignment for the Magellan Billet, Luke Daniels receives a surprise visit from the head of a former-CIA operation named Sommerhaus -- a failed attempt to assemble an espionage network within the Ukraine on the eve of the Russian invasion. Sommerhaus ranks high on Luke's list of painful regrets for it was during this mission that his friend, CIA case officer John Vince, was captured by Russian operatives and supposedly executed....

In this adventure in the #1 New York Times bestselling series, husband-and-wife treasure hunters Sam and Remi Fargo must out-pace a self-made millionaire in pursuit of an incredible fortune...
Thousands of years ago, two superpowers of the ancient world went to war, and a treasure of immeasurable value was lost to the shadows of history.
In 1800, while crossing the Pennine Alps with his Grand Reserve Army, Napoleon Bonaparte...

Los cazadores de tesoros Sam y Remy Fargo irán en busca de un tesoro perdido que perteneció a las antiguas civilizaciones persas y que luego cayó en manos de Napoleón. En el año 1800, mientras cruzaba los Alpes Peninos con sus tropas, Napoleón realizó un hallazgo asombroso: un tesoro persa perdido hacía siglos. Incapaz de transportarlo, dibujó en doce botellas de vino un enigmático mapa. A su muerte, el emperador se llevó consigo su último...

Husband-and-wife treasure hunters Sam and Remi Fargo run afoul of a dangerous dictator in this adventure in the #1 New York Times-bestselling series.
While scuba diving in Tanzania, Sam and Remi Fargo come upon a relic belonging to a long-lost Confederate ship. An anomaly about the relic sets them off chasing a mystery—but unknown to them, a much more powerful force is engaged in the same chase. Mexico’s ruling party,...