Brings the seemingly unrelated subjects of physiological and psychological stress, the mechanics of voice production, and dramatic advancements in the state of electronics into the sharp, single focus of the technology of voice stress analysis. Shows how it is possible to determine the truthfulness of a speaker's statements by doing some specialized listening to his voice. Contributors include: Frank Herbert (sci-fi writer); Paul Phillips (LA investigator & security consultant); Ben Hooker (investigator & law enforcement consultant); Robert A. Lippold (psychologist); Mark Weiss (developer of "Innerview" system of feedback analysis.