1. Gatekeeper: Memoirs of a Cia Polygraph Examiner
by Sullivan, John F. 
Price: USD 2.24
Dealer: Alibris, ThriftBooks-Atlanta via Alibris
Description: Potomac Books 2007 Hardcover Very good May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. 

2. Gatekeeper: Memoirs of a Cia Polygraph Examiner
by Sullivan, John 
Price: USD 6.23
Dealer: Alibris, First Landing Books & Art, Inc via Alibris
Description: Dulles, VA Potomac Books 2007 1st Hardcover Very Good in Very Good jacket Book. 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." 

3. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 6.26
Dealer: Abebooks, ThriftBooks-Atlanta
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: Potomac Books] Hardcover May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less 1.45 [AUSTELL, GA, U.S.A.] [Publication Year: 2007]  

4. Gatekeeper : Memoirs of a CIA Polygraph Examiner
by John F. Sullivan 
Price: USD 6.30
Dealer: Biblio, ThriftBooks
Description: Potomac Books, Incorporated, Date: 2007. Hardcover. Very Good. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less.Dust jacket quality is not guaranteed. 2007. Potomac Books, Incorporated ISBN 159797045X 9781597970457 [US] 

5. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 6.44
Dealer: Abebooks, -OnTimeBooks-
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: POTOMAC BOOKS] Hardcover Book may contain some writing, highlighting, and or cover damage. Shipped fast and reliably! [Phoenix, AZ, U.S.A.] [Publication Year: 2007]  

6. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan John 
Price: USD 6.93
Dealer: Biblio, First Landing Books & Art
Description: 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] 

7. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John 
Price: USD 6.93
Dealer: Abebooks, First Landing Books & Arts
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: Potomac Books, Dulles, VA] Hardcover First Edition 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." Size: 8vo - over 7¾" - 9¾" tall [Virginia Beach, VA, U.S.A.] [Publication Year: 2007]  

8. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by John F. Sullivan 
Price: USD 8.40
Dealer: Biblio, Ergodebooks
Description: Potomac Books Inc, Date: 2007-04-10. Hardcover. Used: Good. 2007. Potomac Books Inc ISBN 159797045X 9781597970457 [US] 

9. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 10.86
Dealer: Abebooks, GF Books, Inc.
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: POTOMAC BOOKS] Hardcover Book is in Used-VeryGood condition. Pages and cover are clean and intact. Used items may not include supplementary materials such as CDs or access codes. May show signs of minor shelf wear and contain very limited notes and highlighting. [Hawthorne, CA, U.S.A.] [Publication Year: 2007]  

10. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 10.87
Dealer: Abebooks, Book Deals
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: POTOMAC BOOKS] Hardcover Very Good condition. Shows only minor signs of wear, and very minimal markings inside (if any). [Tucson, AZ, U.S.A.] [Publication Year: 2007]  

11. Gatekeeper: Memoirs of a CIA Poygraph Examiner (Signed Copy)
by Sullivan, John L. 
Price: USD 20.00
Dealer: Abebooks, M.S. Books
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: Potomac Books] Softcover Signed copy of this memoir of the man behind the controls one of most controversial instruments of intelligence and guilt-finding -- the lie detector. John L. Sullivan was the top CIA technicians operating the infamous Cold War era instruments of truth telling, guilt finding and deception. Sullivan prefers to refer to his tool as a polygraph, offers numerous examples of its accuracy and value, and explains how it might have missed the underlying thoughts of some of the most notorious liars at Langley such as Aldrich Ames. Also discusses internal debates about lie detectors. Inscribed by John L. Sullivan to previous owners on the front endpaper. 272 pages, illustrated. Second Printing. Light general wear. [Salisbury, MD, U.S.A.] [Publication Year: 2007]  

12. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 20.28
Dealer: Abebooks, Hafa Adai Books
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: POTOMAC BOOKS] Hardcover [Moncks Corner, SC, U.S.A.] [Publication Year: 2007]  

13. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 20.56
Dealer: Abebooks, GoldenDragon
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: POTOMAC BOOKS] Hardcover Very Good Copy. Fast Shipment [Houston, TX, U.S.A.] [Publication Year: 2007]  

14. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F 
Price: USD 23.31
Dealer: Alibris
Description: Washington, DC Potomac Books 2007 Hard cover New. Sewn binding. Paper over boards. With dust jacket. 292 p. Contains: Unspecified. 

15. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 23.40
Dealer: Abebooks, GoldenWavesOfBooks
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: POTOMAC BOOKS] Hardcover New. Fast Shipping and good customer service [Fayetteville, TX, U.S.A.] [Publication Year: 2007]  

16. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 23.79
Dealer: Abebooks, GF Books, Inc.
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: POTOMAC BOOKS] Hardcover Book is in Used-Good condition. Pages and cover are clean and intact. Used items may not include supplementary materials such as CDs or access codes. May show signs of minor shelf wear and contain limited notes and highlighting. [Hawthorne, CA, U.S.A.] [Publication Year: 2007]  

17. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 24.09
Dealer: Abebooks, LibraryMercantile
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: Potomac Books] Hardcover [Humble, TX, U.S.A.] [Publication Year: 2007]  

18. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 24.47
Dealer: Abebooks, Byrd Books
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: POTOMAC BOOKS] Hardcover In Used Condition [Austin, TX, U.S.A.] [Publication Year: 2007]  

19. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by John F. Sullivan 
Price: USD 24.69
Dealer: Biblio, Ergodebooks
Description: Potomac Books Inc, Date: 2007-04-10. Hardcover. Used:Good. 2007. Potomac Books Inc ISBN 159797045X 9781597970457 [US] 

20. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 24.74
Dealer: AbebooksUK, Pieuler Store
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: Potomac Books Inc] Hardcover 100% Customer Satisfaction Guaranteed ! The book shows some signs of wear from use but is a good readable copy. Cover in excellent condition. Binding tight. Pages in great shape, no tears. Not contain access codes, cd, DVD. [Suffolk, United Kingdom] [Publication Year: 2007]  

21. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 25.13
Dealer: Abebooks, Lucky's Textbooks
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: POTOMAC BOOKS] Hardcover [Dallas, TX, U.S.A.] [Publication Year: 2007]  

22. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 25.49
Dealer: Abebooks, Wizard Books
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: POTOMAC BOOKS] Hardcover New [Long Beach, CA, U.S.A.] [Publication Year: 2007]  

23. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 25.69
Dealer: Abebooks, GoldBooks
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: POTOMAC BOOKS] Hardcover Very Good Copy. Customer Service Guaranteed [Austin, TX, U.S.A.] [Publication Year: 2007]  

24. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 26.78
Dealer: Abebooks, GoldBooks
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: POTOMAC BOOKS] Hardcover New Copy. Customer Service Guaranteed [Austin, TX, U.S.A.] [Publication Year: 2007]  

25. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 30.18
Dealer: Abebooks, Front Cover Books
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: Potomac Books] Hardcover [Denver, CO, U.S.A.] [Publication Year: 2007]  

26. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 31.89
Dealer: ZVAB, moluna
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: POTOMAC BOOKS INC] Hardcover 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 . [Greven, Germany] [Publication Year: 2007]  

27. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 32.00
Dealer: Abebooks, California Books
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: POTOMAC BOOKS] Hardcover [Miami, FL, U.S.A.] [Publication Year: 2007]  

28. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan John F 
Price: USD 32.95
Dealer: Biblio, Russell Books Ltd
Description: POTOMAC BOOKS INC. New. Special order direct from the distributor POTOMAC BOOKS INC ISBN 159797045x 9781597970457 [CA] 

29. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 32.95
Dealer: Abebooks, Russell Books
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: POTOMAC BOOKS INC] Hardcover Special order direct from the distributor [Victoria, BC, Canada] [Publication Year: 2007]  

30. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 34.32
Dealer: Abebooks, GF Books, Inc.
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: POTOMAC BOOKS] Hardcover Book is in NEW condition. [Hawthorne, CA, U.S.A.] [Publication Year: 2007]  

31. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by John F. Sullivan 
Price: USD 34.41
Dealer: AbebooksUK, THE SAINT BOOKSTORE
Description: 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]  

32. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by John F. Sullivan 
Price: USD 34.74
Dealer: Biblio, The Saint Bookstore
Description: 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] 

33. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 35.52
Dealer: AbebooksDE, moluna
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: POTOMAC BOOKS INC] Hardcover 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 . [Greven, Germany] [Publication Year: 2007]  

34. Gatekeeper: Memoirs of a Cia Polygraph Examiner
by Sullivan, John F. 
Price: USD 35.95
Dealer: Alibris, Russell Books via Alibris
Description: Potomac Books 2007 Hard cover New Special order direct from the distributor. 

35. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by John F. Sullivan 
Price: USD 40.14
Dealer: Biblio, The Saint Bookstore
Description: 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] 

36. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F 
Price: USD 45.77
Dealer: Alibris, Booksplease via Alibris
Description: Washington, DC University of Nebraska Press 2007 Hard cover New. Sewn binding. Paper over boards. With dust jacket. 292 p. Contains: Unspecified. 

37. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan, John F. 
Price: USD 51.16
Dealer: AbebooksUK, Pieuler Store
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: Potomac Books Inc] Hardcover Book is in NEW condition. Satisfaction Guaranteed! Fast Customer Service!! [Suffolk, United Kingdom] [Publication Year: 2007]  

38. GATEKEEPER: MEMOIRS OF A CIA POL
by Sullivan, John F. 
Price: USD 63.40
Dealer: Abebooks, BennettBooksLtd
Description: ISBN10: 159797045X, ISBN13: 9781597970457, [publisher: POTOMAC BOOKS] Hardcover New. In shrink wrap. Looks like an interesting title! 1.23 [LOS ANGELES, CA, U.S.A.] [Publication Year: 2007]  

39. Gatekeeper: Memoirs of a CIA Polygraph Examiner
by Sullivan John F 
Price: USD 66.57
Dealer: Biblio, GridFreed LLC
Description: POTOMAC BOOKS, Date: 2007-04-01. Hardcover. New. New. In shrink wrap. Looks like an interesting title! 2007. POTOMAC BOOKS ISBN 159797045X 9781597970457 [US]