Sleuth Mac Smith flies to Mexico on a fact-finding tour as the White House seeks to formulate a policy towards Mexican revolutionaries. Prompting the trip is the spread of violence, including murder, all the way to Washington.

"The Washington art gallery owner, Annabel Smith, investigates the blackmarket in rare books. This follows several murders, connected to an attempt to obtain a journal of the voyage of Columbus to the New World." --

When a Washington psychiatrist is found dead in his office, Mackenzie Smith is called in to defend one of his patients who has become a suspect. Then information emerges that links the slain shrink to a highly secret CIA mind control project. A programmed assassin strikes and kills the wildly popular frontrunner in the presidential race. As a result of the assassination, the other government agencies have become aware of the rogue CIA program. They...

Best-selling author and president's daughter Margaret Truman escorts readers through the corridors of power and privilege that riddle the nation's capital. With this artful mystery, she paints a stunning portrait of obsession and deception, blackmail and murder in the pretentious world of fine art. The National Gallery is making lavish plans to display some of Italy's most treasured masterpieces by Caravaggio. When the White House asks local gallery...

"During a gala benefit for the Democratic Party's hottest presidential hopeful at the glittering Kennedy Center, a young woman dies, a victim of quick and brutal violence. The murder weapon belongs to the candidate. The chief suspect is the candidate's son. The dynamic campaign of Senator Kenneth Ewald has collided with a tragedy that can send his son to jail--and wreck his own career. George Washington University law professor Mac Smith comes out...

The investigation of the murder of a chief scientist on an antimissle system brings Major Margit Falk of the Pentagon's legal staff close to the heart of a web of espionage and betrayal.