Written by the country's leading expert on the Pentagon's Special Operations Group (SOG), the startling account of the largest and most complex covert operation executed by the U.S. government during the Cold War reveals newly declassified material on spies, saboteurs, and psychological warfare in Vietnam. of photos.

In 1963, a frustrated President Kennedy turned to the Pentagon for help in carrying out subversive operations against North Vietnam- a job the CIA had not managed to handle effectively. Thus was born the Pentagon's Special Operations Group(SOG). Under the cover name"Studies and Observation Group," SOG would, over the next eight years, dispatch numerous spies to North Vietnam, create a triple-cross deception program, wage psychological warfare by manipulating North Vietnamese POW's and kidnapped citizens, and stage deadly assaults on enemy soldiers traveling the Ho Chi Minh Trail. Written by the country's leading expert on SOG, here is the story of that covert war-one that would have both spectacular and disastrous results.