Dulles, VA: Potomac Books, Date: 2007. Book. Very Good. Hardcover. 1st. 8vo - over 7¾" - 9¾" tall. Hardcover 8vo with dust jacket. Book and dust jacket in very good plus condition. 273 pages including acknowledgments, author's note, glossary, 17 chapters, epilogue, index, and about the author. "In Gatekeeper, Sullivan describes his experiences and methods as a polygrapher, emphasizing the importance of psychology and the examiners' skills in a successful polygraph program.". 2007. Potomac Books ISBN 159797045x 9781597970457 [US]

Potomac Books Inc, Date: 2007-04-10. Hardcover. Used:Good. 2007. Potomac Books Inc ISBN 159797045X 9781597970457 [US]

ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: Potomac Books Inc] Hardcover New copy - Usually dispatched within 4 working days. John F. Sullivan was a polygraph examiner with the CIA for thirty-one years, during which time he conducted more tests than anyone in the history of the CIA's program. The lie detectors act as the Agency's gatekeepers, preventing foreign agents, unsuitable applicants, and employees guilty of misconduct from penetrating or harming the Agency.
[Southport, United Kingdom] [Publication Year: 2007]

Hardback. New. John F. Sullivan was a polygraph examiner with the CIA for thirty-one years, during which time he conducted more tests than anyone in the history of the CIA's program. The lie detectors act as the Agency's gatekeepers, preventing foreign agents, unsuitable applicants, and employees guilty of misconduct from penetrating or harming the Agency. ISBN 159797045x 9781597970457 [GB]