1. Mask of Treachery
by Costello, John 
Price: USD 1.25
Dealer: Alibris, Once Upon A Time Books via Alibris
Description: William Morrow & Co 1988 Illustrated. Hardcover Fair in fair dust jacket. This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear. It may also be ex-library or without dustjacket. This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear. It may also be ex-library or without dustjacket. This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear. It may also be ex-library or without dustjacket. 

2. Mask of Treachery
by John Costello 
Price: USD 1.40
Dealer: Abebooks, BookHolders
Description: ISBN10: 0688044832, ISBN13: 9780688044831, [publisher: William Morrow & Co] Hardcover [ No Hassle 30 Day Returns ][ Ships Daily ] [ Underlining/Highlighting: NONE ] [ Writing: NONE ] [ Edition: first ] Publisher: William Morrow & Co Pub Date: 10/1/1988 Binding: Hardcover Pages: 765 first edition. [Towson, MD, U.S.A.] [Publication Year: 1988]  

3. Mask of Treachery
by Costello, John  
Price: USD 1.58
Dealer: AmazonUK, AmazonUK Marketplace
Description: Used - isbn: 0688044832 - isbn13: 9780688044831 William Morrow & Co  

4. Mask of Treachery
by John Costello 
Price: USD 1.80
Dealer: Alibris, BookHolders via Alibris
Description: William Morrow & Company 1988 first Hard cover Good [ No Hassle 30 Day Returns ] [ Edition: first ] Publisher: William Morrow & Co Pub Date: 10/1/1988 Binding: Hardcover Pages: 765. 

5. Mask of Treachery
by Costello John 
Price: USD 1.85
Dealer: Biblio, World of Books Ltd
Description: Hardback. Very Good. ISBN 0688044832 9780688044831 [GB] 

6. Mask of Treachery
by Costello, John 
Price: USD 2.36
Dealer: Alibris, ThriftBooks-Atlanta via Alibris
Description: William Morrow & Company 1988 Illustrated. Hardcover Very good May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. 

7. Mask of Treachery
by Costello, John 
Price: USD 2.36
Dealer: Alibris, ThriftBooks-Dallas via Alibris
Description: William Morrow & Company 1988 Illustrated. Hardcover Good Missing dust jacket; Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. 

8. Mask of Treachery
by Costello, John 
Price: USD 2.36
Dealer: Alibris, ThriftBooks-Dallas via Alibris
Description: William Morrow & Company 1988 Illustrated. Hardcover Very good Missing dust jacket; May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. 

9. Mask of Treachery
by Costello, John 
Price: USD 2.36
Dealer: Abebooks, Once Upon A Time Books
Description: ISBN10: 0688044832, ISBN13: 9780688044831, [publisher: William Morrow & Co] Hardcover This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear . It may also be ex-library or without dustjacket. This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear . It may also be ex-library or without dustjacket. This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear . It may also be ex-library or without dustjacket. [Siloam Springs, AR, U.S.A.] [Publication Year: 1988]  

10. Mask of Treachery
by Costello, John 
Price: USD 2.59
Dealer: Alibris, HPB-Ruby via Alibris
Description: William Morrow & Co 1988 Illustrated. hardcover Very good Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority! 

11. Mask of Treachery
by Costello, John 
Price: USD 2.59
Dealer: Abebooks, HPB-Ruby
Description: ISBN10: 0688044832, ISBN13: 9780688044831, [publisher: William Morrow & Co] Hardcover Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority! [Dallas, TX, U.S.A.] [Publication Year: 1988]  

12. Mask of Treachery
by John Costello 
Price: USD 2.87
Dealer: Biblio, BookHolders
Description: [ Edition: first ]. Good Condition. [ No Hassle 30 Day Returns ][ Ships Daily ] [ Underlining/Highlighting: NONE ] [ Writing: NONE ] Publisher: William Morrow & Co Pub Date: 10/1/1988 Binding: Hardcover Pages: 765 ISBN 0688044832 9780688044831 [US] 

13. Mask of Treachery
by Costello John 
Price: USD 2.98
Dealer: Biblio, Bison moon Group Inc
Description: William Morrow & Co. Good in Good dust jacket. Date: 1988. Hardcover. 0688044832 . 8vo 8" - 9" tall; 765 pages . 1988. William Morrow & Co ISBN 0688044832 9780688044831 [CA] 

14. Mask of Treachery
by Costello, John 
Price: USD 2.99
Dealer: Alibris, Gladewater Books via Alibris
Description: William Morrow & Company 1988 Illustrated. Hard cover Fine in fine dust jacket. Sewn binding. Paper over boards. Contains: Illustrations. Audience: General/trade. 

15. Mask of Treachery
by Costello, John 
Price: USD 3.00
Dealer: Alibris, Ahab Books via Alibris
Description: Morrow 1988 First Edition Hard Cover Photographs Very Good in Very Good jacket 

16. Mask of Treachery
by Costello, John 
Price: USD 3.00
Dealer: Alibris, Ahab Books via Alibris
Description: Morrow 1988 First Edition Hard Cover Photographs Very Good in Very Good jacket 

17. Mask of Treachery: the First Documented Dossier on Anthony Blunt's Cambridge Spy Ring
by Costello, John 
Price: USD 3.00
Dealer: Alibris, David's Books via Alibris
Description: Willam Morrow and Co. 1988 Illustrated. Hard Cover Very Good in Very Good dust jacket 0688044832. 

18. Mask of Treachery
by Costello John 
Price: USD 3.00
Dealer: Biblio, Ahab Books
Description: Morrow, Date: 1988 First Edition. Hard Cover. Very Good/Very Good. Illus. by Photographs. 1988. Morrow ISBN 0688044832 9780688044831 [US] 

19. Mask of Treachery
by Costello John 
Price: USD 3.00
Dealer: Biblio, Ahab Books
Description: Morrow, Date: 1988 First Edition. Hard Cover. Very Good/Very Good. Illus. by Photographs. 1988. Morrow ISBN 0688044832 9780688044831 [US] 

20. Mask Of Treachery
by Costello, John 
Price: USD 3.00
Dealer: Abebooks, Library House Internet Sales
Description: ISBN10: 0688044832, ISBN13: 9780688044831, [publisher: William Morrow & Co] Hardcover Newly discovered British and American reports, scores of interviews, and expert analysis substantiate an account of the espionage network created by Anthony Blunt and of that network's infiltration of British and American institutions Moderate edgewear on the boards. Binding is moderately loose. Moderate shelf wear. Noticable fading due to exposure to sunlight. Please note the image in this listing is a stock photo and may not match the covers of the actual item. [Grand Rapids, OH, U.S.A.] [Publication Year: 1988]  

21. Mask of Treachery
by Costello, John 
Price: USD 3.00
Dealer: Abebooks, Ahab Books
Description: ISBN10: 0688044832, ISBN13: 9780688044831, [publisher: Morrow] Hardcover First Edition [Glencoe, CA, U.S.A.] [Publication Year: 1988]  

22. Mask of Treachery: the First Documented Dossier on Anthony Blunt's Cambridge Spy Ring
by Costello, John 
Price: USD 3.00
Dealer: Abebooks, David's Books
Description: ISBN10: 0688044832, ISBN13: 9780688044831, [publisher: Willam Morrow and Co.] Hardcover [ypsilanti, MI, U.S.A.] [Publication Year: 1988]  

23. Mask of Treachery
by Costello, John 
Price: USD 3.03
Dealer: Abebooks, Threescore Years and Ten
Description: ISBN10: 0688044832, ISBN13: 9780688044831, [publisher: William Morrow & Co] Hardcover 8vo 8" - 9" tall; 765 pages [Calmar, AB, Canada] [Publication Year: 1988]  

24. Mask of Treachery
by John Costello 
Price: USD 3.49
Dealer: ZVAB, WorldofBooks
Description: ISBN10: 0688044832, ISBN13: 9780688044831, [publisher: William Morrow & Company, United States] Softcover The book has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged. [Goring-By-Sea, WS, United Kingdom] [Publication Year: 1988]  

25. Mask of Treachery
by Costello, John 
Price: USD 3.55
Dealer: Alibris
Description: William Morrow & Company 1988 Illustrated. Hardcover Good in good dust jacket. Good, In good dust jacket. Sewn binding. Paper over boards. Contains: Illustrations. 

26. Mask of Treachery
by John Costello 
Price: USD 3.77
Dealer: AbebooksUK, WorldofBooks
Description: ISBN10: 0688044832, ISBN13: 9780688044831, [publisher: William Morrow & Company, United States] Softcover The book has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged. [Goring-By-Sea, WS, United Kingdom] [Publication Year: 1988]  

27. Mask of Treachery Spies Lies Buggery & Betrayal
by John Costello 
Price: USD 3.99
Dealer: Biblio, Glenn David Books
Description: William Morrow, Date: 1988. First Edition, First Printing. . Hardcover. Near Fine+/Very Good+. The condition is Near Fine+, with a Very Good+ jacket. This is a First Edition and First Printing, no price listed on jacket. T"The first documented dossier on Anthony Blunt's Cambridge spy ring." from the cover. This is quite the read with a nice collection of photo illustrations. This is a blue cloth spine on a beige board hard back Spy book his is a very firm book with a bright & clean cover. The edges are very good as is the corners. The pages are very bright & tight, unmarked no names. This jacket is in very good condition with a little top spine end wrinkle and a very lightly sunned spine. Very Tight Pages ! 765 pages including index. 1988. William Morrow ISBN 0688044832 9780688044831 [US] 

28. Mask of Treachery, Spies, Lies, Buggery & Betrayal
by John Costello 
Price: USD 3.99
Dealer: Abebooks, GLENN DAVID BOOKS
Description: ISBN10: 0688044832, ISBN13: 9780688044831, [publisher: William Morrow] Hardcover The condition is Near Fine+, with a Very Good+ jacket. This is a First Edition and First Printing, no price listed on jacket. T"The first documented dossier on Anthony Blunt's Cambridge spy ring." from the cover. This is quite the read with a nice collection of photo illustrations. This is a blue cloth spine on a beige board hard back Spy book his is a very firm book with a bright & clean cover. The edges are very good as is the corners. The pages are very bright & tight, unmarked no names. This jacket is in very good condition with a little top spine end wrinkle and a very lightly sunned spine. Very Tight Pages ! 765 pages including index. [Wyomissing, PA, U.S.A.] [Publication Year: 1988]  

29. Mask of Treachery
by John Costello 
Price: USD 4.00
Dealer: Alibris, Copperfield's Books via Alibris
Description: William Morrow & Co 1988 Illustrated. Hardcover Good in Good jacket A good reading copy. Can show some wear, creases, or few if any markings consistent with a normal used book. 

30. Mask of Treachery
Price: USD 4.48
Dealer: ZVAB, AwesomeBooks
Description: ISBN10: 0688044832, ISBN13: 9780688044831, [publisher: -] Hardcover Mask of Treachery This book is in very good condition and will be shipped within 24 hours of ordering. The cover may have some limited signs of wear but the pages are clean, intact and the spine remains undamaged. This book has clearly been well maintained and looked after thus far. Money back guarantee if you are not satisfied. See all our books here, order more than 1 book and get discounted shipping. [Wallingford, United Kingdom] [Publication Year: 1988]  

31. Mask of Treachery
by Costello, John 
Price: USD 4.79
Dealer: Alibris, HPB-Emerald via Alibris
Description: William Morrow & Co 1988 Illustrated. hardcover Very good Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority! 

32. Mask of Treachery
by Costello, John 
Price: USD 4.79
Dealer: Abebooks, HPB-Emerald
Description: ISBN10: 0688044832, ISBN13: 9780688044831, [publisher: William Morrow & Co] Hardcover Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority! [Dallas, TX, U.S.A.] [Publication Year: 1988]  

33. Mask of Treachery
Price: USD 4.84
Dealer: AbebooksUK, AwesomeBooks
Description: ISBN10: 0688044832, ISBN13: 9780688044831, [publisher: -] Hardcover Mask of Treachery This book is in very good condition and will be shipped within 24 hours of ordering. The cover may have some limited signs of wear but the pages are clean, intact and the spine remains undamaged. This book has clearly been well maintained and looked after thus far. Money back guarantee if you are not satisfied. See all our books here, order more than 1 book and get discounted shipping. [Wallingford, United Kingdom] [Publication Year: 1988]  

34. Mask of Treachery
Price: USD 4.84
Dealer: AbebooksUK, Bahamut Media
Description: ISBN10: 0688044832, ISBN13: 9780688044831, [publisher: - -] Hardcover This book is in very good condition and will be shipped within 24 hours of ordering. The cover may have some limited signs of wear but the pages are clean, intact and the spine remains undamaged. This book has clearly been well maintained and looked after thus far. Money back guarantee if you are not satisfied. See all our books here, order more than 1 book and get discounted shipping. [Reading, United Kingdom] [Publication Year: 1988]  

35. Mask of Treachery
by Costello, John 
Price: USD 4.87
Dealer: AbebooksUK, MusicMagpie
Description: ISBN10: 0688044832, ISBN13: 9780688044831, [publisher: William Morrow & Co] Hardcover [Stockport, United Kingdom] [Publication Year: 1988]  

36. Mask of Treachery
by Costello, John 
Price: USD 4.87
Dealer: Abebooks, GoldBooks
Description: ISBN10: 0688044832, ISBN13: 9780688044831, [publisher: William Morrow & Co] Hardcover New Copy. Customer Service Guaranteed [Austin, TX, U.S.A.] [Publication Year: 1988]  

37. Mask of Treachery: Spies, Lies, Buggery & Betrayal
by Costello, John 
Price: USD 4.95
Dealer: Alibris, Books of Paradise via Alibris
Description: William Morrow & Co 1988 First Edition Hard Cover Very Good in Very Good dust jacket 0688044832. Book has remainder dot to top page ends, light edgewear, tiny bit of soiling; DJ has very light edgewear and shelfwear, couple tiny wrinkles, very slight toning to edges; b/w photos. 

38. Mask of Treachery: Spies Lies Buggery & Betrayal
by Costello John 
Price: USD 4.95
Dealer: Biblio, Books of Paradise
Description: William Morrow & Co. Very Good in Very Good dust jacket. Date: 1988. First Edition. Hard Cover. 0688044832 . book has remainder dot to top page ends, light edgewear, tiny bit of soiling; DJ has very light edgewear and shelfwear, couple tiny wrinkles, very slight toning to edges; b/w photos . 1988. William Morrow & Co ISBN 0688044832 9780688044831 [US] 

39. Mask of Treachery: Spies, Lies, Buggery & Betrayal
by Costello, John 
Price: USD 4.95
Dealer: Abebooks, Books of Paradise
Description: ISBN10: 0688044832, ISBN13: 9780688044831, [publisher: William Morrow & Co] Hardcover First Edition book has remainder dot to top page ends, light edgewear, tiny bit of soiling; DJ has very light edgewear and shelfwear, couple tiny wrinkles, very slight toning to edges; b/w photos [Magalia, CA, U.S.A.] [Publication Year: 1988]  

40. Mask of Treachery
by Costello, John 
Price: USD 5.00
Dealer: Alibris, HPB Inc. via Alibris
Description: William Morrow & Co 1988 Illustrated. Hardcover Good Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority! 

41. Mask of Treachery
by Costello, John 
Price: USD 5.00
Dealer: Abebooks, HPB Inc.
Description: ISBN10: 0688044832, ISBN13: 9780688044831, [publisher: William Morrow & Co] Hardcover Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority! [Dallas, TX, U.S.A.] [Publication Year: 1988]  

42. Mask of Treachery
by Costello, John 
Price: USD 5.50
Dealer: Alibris, Wonder Book - Member ABAA/ILAB via Alibris
Description: William Morrow & Company 1988 Illustrated. Hard cover Very Good Very Good condition. Very Good dust jacket. A copy that may have a few cosmetic defects. May also contain a few markings such as an owner's name, short gifter's inscription or light stamp. 

43. Mask of Treachery
by Costello John 
Price: USD 5.90
Dealer: Biblio, MAB Books
Description: New York: William Morrow. Good in Very Good dust jacket. Date: 1988. First Edition. Hardback. 0688044832 . 1988. William Morrow ISBN 0688044832 9780688044831 [US] 

44. Mask of Treachery
by Costello, John 
Price: USD 5.95
Dealer: Alibris, George Lyon via Alibris
Description: NY Morrow 1988 1st Edition Hard cover Fine in Nr Fine DJ, 1st printing ISBN: 0688044832 765 pages. 

45. Mask of Treachery
by John Costello 
Price: USD 5.99
Dealer: Alibris, Websters Bookstore Cafe via Alibris
Description: William Morrow & Co 1988 Illustrated. Hardcover Good Excellent dustjacket. 

46. Mask of Treachery
by John Costello 
Price: USD 5.99
Dealer: Biblio, Webster's Bookstore Cafe
Description: William Morrow & Co, Date: 1988-10. Hardcover. Good. 1.8000 in x 9.3000 in x 6.0000 in. 1988. William Morrow & Co ISBN 0688044832 9780688044831 [US] 

47. Mask of Treachery
by John Costello 
Price: USD 5.99
Dealer: Abebooks, Webster's Bookstore Cafe, Inc.
Description: ISBN10: 0688044832, ISBN13: 9780688044831, [publisher: William Morrow & Co] Hardcover [State College, PA, U.S.A.] [Publication Year: 1988]  

48. Mask of Treachery
by Costello John 
Price: USD 6.00
Dealer: Biblio, Willis Monie Books - ABAA
Description: New York: William Morrow. Very Good in Very Good dust jacket. Date: 1988. First Printing. Hardcover. 0688044832 . 1988. William Morrow ISBN 0688044832 9780688044831 [US] 

49. Mask of Treachery
by Costello, John 
Price: USD 6.00
Dealer: Abebooks, Willis Monie-Books, ABAA
Description: ISBN10: 0688044832, ISBN13: 9780688044831, [publisher: William Morrow, New York] Hardcover [Cooperstown, NY, U.S.A.] [Publication Year: 1988]  

50. Mask of Treachery
by Costello John 
Price: USD 6.13
Dealer: Biblio, Once Upon a Time Books
Description: William Morrow & Co, Date: 1988-10-01. Hardcover. Acceptable. 1.7300 in x 9.2900 in x 6.5400 in. This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear . It may also be ex-library or without dustjacket. This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear . It may also be ex-library or without dustjacket. 1988. William Morrow & Co ISBN 0688044832 9780688044831 [US]