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.

"Letty Davenport, the tough-as-nails adopted daughter of Lucas Davenport, takes on an undercover assignment that brings her across the country and into the crosshairs of a dangerous group of hackers"-- Letty Davenport's days working a desk job at are behind her. Her previous actions at a gunfight in Texas--and her incredible skills with firearms--draw the attention of several branches of the US government, and make her a perfect fit for even more...

A Montana Man risks everything for the woman he loves . . .

Undercover DEA Special Agent Dawson King spent five months in a Montana prison establishing a fake identity to take down a ruthless drug dealer and put him behind bars. Except there's a wild card . . . the killer's beloved daughter. Cara Potter may appear to be on the right side of the law, but King has learned the hard way to trust no one—even someone as tantalizing as the

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The steamy Costa Rican jungle brings out the bear in Declan MacBride when he and new operative Kendra Carlsen are ambushed. In the midst of relying on each other to survive, and fighting his explosive attraction to Kendra, this shifter is about to lose control ...

"Piper Jane Mackenzie, mayor of Honey Creek, won't let a major scandal rip her quirky hometown apart, or jeopardize her dream of one day running for higher office. So she's willing to welcome undercover detective Colby McBride, hired to help solve the mystery behind her wannabe fiancé's disappearance. Colby's cover? That he is an old boyfriend now begging Piper for a second chance--always when there are plenty of townsfolk around to witness his shenanigans....

"Former Navy SEAL Hamilton Jones thought the love of his life was dead. But when he hears she might still be alive, he will stop at nothing to find her and bring her home. When he discovers her reason for staying away, he must choose between her and the nation he vowed to protect"--

From Stephen Coonts comes a novel of high octane excitement, featuring Tommy Carmellini in his most dangerous mission yet: The Assassin.
In the finale of Coonts's last novel The Traitor, the ruthless and brilliant Al Qaeda leader who nearly succeeded in blowing up a meeting of the Group of 7 in Paris slipped the noose and escaped. But Abu Qasim has another trick up his sleeve: he has offered to pay a the Mafia a fortune to help

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Sparks fly between a young woman posing as a servant and a prince with a reputation for breaking hearts. Relive the passion of romance with the beloved Royals of Cordina! Undercover at the palace of Cordina, Lady Hannah Rothchild's very life depended on her disguise as a shy, diffident young woman. Prince Bennett, the playboy prince, wouldn't rest until he had shattered her careful reserve. With Christmas approaching, the pair are drawn together...

Provides a history of undercover police work, particularly in the United States, and looks at the preparations made before an undercover operation as well as differences between light and deep cover.