Charlie Castillo's secret unit has been disbanded, but that doesn't mean he's out of business. A FedEx package arrives, bearing photos of barrels containing some of the most dangerous biohazard materials on Earth, all of which were supposed to have been destroyed during a raid on a secret Russian factory in the Congo. Who has them, and what do they want? Castillo has a feeling he's not going to like the answers.

When a leased Boeing 727 vanishes after two passengers murder the pilot, Army intelligence officer Major Carlos Guillermo Castillo, a veteran of the Special Forces, is called in by the president of the United States to uncover the truth.

"The Presidential Agent adventures return in the most harrowing novel yet in the #1 New York Times-bestselling series. Mexican drug cartels are shooting up the streets of Laredo and El Paso. Somali pirates are holding three U.S. tankers for ransom. The President is fed up and has what he thinks is a pretty bright idea-to get hold of Colonel Charley Castillo and his merry band and put them on the case. Unfortunately, that will be difficult. Everybody...

"Special agent James Cronley Jr. finds that fighting both ex-Nazis and the Soviet NKGB can lead to strange bedfellows, in the dramatic new Clandestine Operations novel about the birth of the CIA and the Cold War. A month ago, Cronley managed to capture two notorious Nazi war criminals, but not without leaving some dead bodies and outraged Austrian police in his wake. He's been lying low ever since, but that little vacation is about to end. Somebody--Odessa,...

Remaining in Argentina to tie up loose ends pertaining to the UN oil-for-food scandal, Delta Force officer Charley Castillo learns about the disappearance of a key DEA agent who has become a casualty of diplomatic complacency and the international drug trade.

Department of Homeland Security agent Charley Castillo conducts a discreet investigation involving a murdered diplomat's brother-in-law, a man possessing key information about the scandalous United Nations oil-for-food program in Iraq.