1. Cryptography (Paperback)
by Laurence D. Smith 
Price: USD 13.26
Dealer: Abebooks, Grand Eagle Retail
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover Publications Inc., New York] Softcover Paperback. Elementary account of ciphers, history, types, etc., with 151 examples of ciphers and codes. Solutions. Good introduction for beginners. Readers interested in secret writing will find this book an excellent elementary explanation of transposition and substitution ciphers, codes, and their solutions. More than 150 problems provide practical application as well as tests of skill and ingenuity. After a brief description of the history of secret writing, the reader is introduced to fundamental principles of ciphers - transposition and substitution - and given an understanding of the various methods of enciphering and deciphering secret messages. The author covers geometrical patterns, route transcription, columnar transposition, and other methods used in transposition; under substitution, he treats mixed cipher systems, single-alphabet and polyalphabetical substitution, mechanical devices, the Vigenere system, etc. A discussion of cryptanalysis leads the reader into 151 problems for which answers are provided at the end. Appendixes offer notes on enciphering Japanese; and explanation of the Baconian Biliteral Cipher; frequency tables for English, French, German, Italian, and Spanish. Elementary account of ciphers, history, types, etc., with 151 examples of ciphers and codes. Solutions. Good introduction for beginners. Shipping may be from multiple locations in the US or from the UK, depending on stock availability. [Wilmington, DE, U.S.A.] [Publication Year: 2000]  

2. Cryptography (Paperback)
by Laurence D. Smith 
Price: USD 21.49
Dealer: AbebooksAU, AussieBookSeller
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover Publications Inc., New York] Softcover Paperback. Elementary account of ciphers, history, types, etc., with 151 examples of ciphers and codes. Solutions. Good introduction for beginners. Readers interested in secret writing will find this book an excellent elementary explanation of transposition and substitution ciphers, codes, and their solutions. More than 150 problems provide practical application as well as tests of skill and ingenuity. After a brief description of the history of secret writing, the reader is introduced to fundamental principles of ciphers - transposition and substitution - and given an understanding of the various methods of enciphering and deciphering secret messages. The author covers geometrical patterns, route transcription, columnar transposition, and other methods used in transposition; under substitution, he treats mixed cipher systems, single-alphabet and polyalphabetical substitution, mechanical devices, the Vigenere system, etc. A discussion of cryptanalysis leads the reader into 151 problems for which answers are provided at the end. Appendixes offer notes on enciphering Japanese; and explanation of the Baconian Biliteral Cipher; frequency tables for English, French, German, Italian, and Spanish. Elementary account of ciphers, history, types, etc., with 151 examples of ciphers and codes. Solutions. Good introduction for beginners. Shipping may be from our Sydney, NSW warehouse or from our UK or US warehouse, depending on stock availability. [Truganina, VIC, Australia] [Publication Year: 2000]  

3. Cryptography (Paperback)
by Laurence D. Smith 
Price: USD 19.83
Dealer: AbebooksUK, CitiRetail
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover Publications Inc., New York] Softcover Paperback. Elementary account of ciphers, history, types, etc., with 151 examples of ciphers and codes. Solutions. Good introduction for beginners. Readers interested in secret writing will find this book an excellent elementary explanation of transposition and substitution ciphers, codes, and their solutions. More than 150 problems provide practical application as well as tests of skill and ingenuity. After a brief description of the history of secret writing, the reader is introduced to fundamental principles of ciphers - transposition and substitution - and given an understanding of the various methods of enciphering and deciphering secret messages. The author covers geometrical patterns, route transcription, columnar transposition, and other methods used in transposition; under substitution, he treats mixed cipher systems, single-alphabet and polyalphabetical substitution, mechanical devices, the Vigenere system, etc. A discussion of cryptanalysis leads the reader into 151 problems for which answers are provided at the end. Appendixes offer notes on enciphering Japanese; and explanation of the Baconian Biliteral Cipher; frequency tables for English, French, German, Italian, and Spanish. Elementary account of ciphers, history, types, etc., with 151 examples of ciphers and codes. Solutions. Good introduction for beginners. Shipping may be from our UK warehouse or from our Australian or US warehouses, depending on stock availability. [Stevenage, United Kingdom] [Publication Year: 2000]  

4. Cryptography (Science of Secret Writing)
by Laurence D. Smith 
Price: USD 11.15
Dealer: AbebooksUK, Chiron Media
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover Publications Inc. 1998-02-07] Softcover [Wallingford, United Kingdom] [Publication Year: 1998]  

5. Cryptography : The Science of Secret Writing
by Smith Laurence D 
Price: USD 6.66
Dealer: Biblio, Better World Books
Description: Dover Publications, Incorporated. Used - Good. Used book that is in clean, average condition without any missing pages. Dover Publications, Incorporated ISBN 048620247x 9780486202471 [US] 

6. Cryptography : The Science of Secret Writing
by Smith Laurence D 
Price: USD 6.66
Dealer: Biblio, Better World Books
Description: Dover Publications, Incorporated. Used - Very Good. Used book that is in excellent condition. May show signs of wear or have minor defects. Dover Publications, Incorporated ISBN 048620247x 9780486202471 [US] 

7. Cryptography : The Science of Secret Writing
by Smith, Laurence D. 
Price: USD 5.80
Dealer: Abebooks, Better World Books: West
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover Publications, Incorporated] Softcover Used book that is in excellent condition. May show signs of wear or have minor defects. [Reno, NV, U.S.A.] [Publication Year: 1955]  

8. Cryptography : The Science of Secret Writing
by Smith, Laurence D. 
Price: USD 5.80
Dealer: Abebooks, Better World Books
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover Publications, Incorporated] Softcover Used book that is in clean, average condition without any missing pages. [Mishawaka, IN, U.S.A.] [Publication Year: 1955]  

9. Cryptography : The Science of Secret Writing
by Smith, Laurence D. 
Price: USD 5.61
Dealer: ZVAB, Better World Books
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover Publications, Incorporated] Softcover Used book that is in clean, average condition without any missing pages. [Mishawaka, IN, U.S.A.] [Publication Year: 1955]  

10. Cryptography
by Laurence D. Smith 
Price: USD 6.97
Dealer: Biblio, Greener Books Ltd
Description: Dover Publications Inc., 02/01/Date: 2000. Paperback. Used; Good. **WE SHIP WITHIN 24 HRS FROM LONDON, UK, 98% OF OUR ORDERS ARE RECEIVED WITHIN 7-10 DAYS. We believe you will be completely satisfied with our quick and reliable service. All orders are dispatched as swiftly as possible! Buy with confidence! Greener Books. 2000. Dover Publications Inc. ISBN 048620247x 9780486202471 [GB] 

11. Cryptography
by Laurence D. Smith 
Price: USD 12.06
Dealer: Biblio, The Saint Bookstore
Description: Paperback / softback. New. ISBN 048620247x 9780486202471 [GB] 

12. Cryptography Science of Secret Writing
by Laurence D. Smith 
Price: USD 15.44
Dealer: Abebooks, PBShop.store US
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover Publications Inc.] Softcover New Book. Shipped from UK. Established seller since 2000. [Wood Dale, IL, U.S.A.] [Publication Year: 1998]  

13. Cryptography the Science of Secret Writing
by Smith, Laurence Dwight 
Price: USD 6.00
Dealer: Alibris, Always Superior Books via Alibris
Description: New York Dover 1971 Reissue Paperback Fine Book 

14. Cryptography the Science of Secret Writing
by Smith, Laurence D. 
Price: USD 7.73
Dealer: Abebooks, GreatBookPrices
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover Publications] Softcover [Columbia, MD, U.S.A.] [Publication Year: 1955]  

15. Cryptography the Science of Secret Writing
by Smith, Laurence D. 
Price: USD 13.18
Dealer: AbebooksUK, GreatBookPricesUK
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover Publications] Softcover [Castle Donington, DERBY, United Kingdom] [Publication Year: 1955]  

16. Cryptography the Science of Secret Writing
by Smith, Laurence D. 
Price: USD 14.05
Dealer: AbebooksUK, Pieuler Store
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover Publications Inc.] Softcover Book is in NEW condition. Satisfaction Guaranteed! Fast Customer Service!! [Suffolk, United Kingdom] [Publication Year: 1955]  

17. Cryptography the Science of Secret Writing
by Smith, Laurence D. 
Price: USD 12.19
Dealer: AbebooksUK, Pieuler Store
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover Publications Inc.] Softcover 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: 1955]  

18. Cryptography the Science of Secret Writing
by Smith,Laurence Dwight 
Price: USD 6.00
Dealer: Abebooks, Always Superior Books
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover, New York] Softcover [marietta, GA, U.S.A.] [Publication Year: 1971]  

19. CRYPTOGRAPHY: THE SCIENCE OF SEC
by Smith, Laurence D. 
Price: USD 59.41
Dealer: Abebooks, BennettBooksLtd
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover Publications] Softcover New. In shrink wrap. Looks like an interesting title! 0.41 [North Las Vegas, NV, U.S.A.] [Publication Year: 1955]  

20. Cryptography: The Science of Secret Writing
by Laurence D. Smith 
Price: USD 7.79
Dealer: Biblio, Ergodebooks
Description: Dover Publications, Date: 1955-06-01. Paperback. Good. Dover Publications ISBN 048620247X 9780486202471 [US] 

21. Cryptography: The Science of Secret Writing
by Laurence D. Smith 
Price: USD 11.33
Dealer: Biblio, Revaluation Books
Description: Dover Pubns, Date: 2000. Paperback. New. 164 pages. 8.00x5.50x0.25 inches. 2000. Dover Pubns ISBN 048620247X 9780486202471 [GB] 

22. Cryptography: The Science of Secret Writing
by Laurence D. Smith 
Price: USD 11.72
Dealer: Biblio, Revaluation Books
Description: Dover Pubns, Date: 2000. Paperback. New. 164 pages. 8.00x5.50x0.25 inches. 2000. Dover Pubns ISBN 048620247X 9780486202471 [GB] 

23. Cryptography: The Science of Secret Writing
by Smith Laurence D. 
Price: USD 14.77
Dealer: Biblio, BookCorner COM LLC
Description: UsedVeryGood. signs of little wear on the cover. ISBN 048620247X 9780486202471 [US] 

24. Cryptography: The Science of Secret Writing
by Smith Laurence D. 
Price: USD 14.92
Dealer: Biblio, BookCorner COM LLC
Description: UsedLikeNew. Remainder mark ISBN 048620247X 9780486202471 [US] 

25. Cryptography: The Science of Secret Writing
by Smith Laurence D. 
Price: USD 15.07
Dealer: Biblio, BookCorner COM LLC
Description: New. . ISBN 048620247X 9780486202471 [US] 

26. Cryptography: The Science of Secret Writing
by Smith Laurence D. 
Price: USD 4.98
Dealer: Biblio, Books4Cause Inc.
Description: UsedGood. Pages are clean! The cover has visible markings and wear. Some corner dings. Some foxing on the edges The book is slightly cocked Fast Shipping - Each order powers our free bookstore in Chicago and sending books to Africa! ISBN 048620247X 9780486202471 [US] 

27. Cryptography: The Science of Secret Writing
by Smith Laurence D. 
Price: USD 15.07
Dealer: Biblio, Ebooksweb COM LLC
Description: New. . ISBN 048620247X 9780486202471 [US] 

28. Cryptography: The Science of Secret Writing
by Smith Laurence D. 
Price: USD 14.77
Dealer: Biblio, Ebooksweb COM LLC
Description: UsedVeryGood. signs of little wear on the cover. ISBN 048620247X 9780486202471 [US] 

29. Cryptography: The Science of Secret Writing
by Smith Laurence D. 
Price: USD 14.92
Dealer: Biblio, Ebooksweb COM LLC
Description: UsedLikeNew. Remainder mark ISBN 048620247X 9780486202471 [US] 

30. Cryptography: The Science of Secret Writing
by Smith Laurence D. 
Price: USD 15.07
Dealer: Biblio, Phillybooks COM LLC
Description: New. . ISBN 048620247X 9780486202471 [US] 

31. Cryptography: The Science of Secret Writing
by Smith Laurence D. 
Price: USD 14.77
Dealer: Biblio, Phillybooks COM LLC
Description: UsedVeryGood. Minor shelf wear ISBN 048620247X 9780486202471 [US] 

32. Cryptography: The Science of Secret Writing
by Smith Laurence D. 
Price: USD 14.92
Dealer: Biblio, Phillybooks COM LLC
Description: UsedLikeNew. Remainder mark ISBN 048620247X 9780486202471 [US] 

33. Cryptography: The Science of Secret Writing
by Smith Laurence D. 
Price: USD 5.47
Dealer: Biblio, Wonder Book
Description: Dover Publications. Used - Very Good. Very Good condition. 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. Dover Publications ISBN 048620247x 9780486202471 [US] 

34. Cryptography: The Science of Secret Writing
by Smith Laurence D. 
Price: USD 15.40
Dealer: Biblio, Wonder Book
Description: Dover Publications. Used - Acceptable. Acceptable condition. (cryptography, ciphers) A readable, intact copy that may have noticeable tears and wear to the spine. All pages of text are present, but they may include extensive notes and highlighting or be heavily stained. Includes reading copy only books. Dover Publications ISBN 048620247x 9780486202471 [US] 

35. Cryptography: The Science of Secret Writing
by Smith Laurence D 
Price: USD 62.38
Dealer: Biblio, GridFreed LLC
Description: Dover Publications, Date: 1955-06-01. Paperback. New. New. In shrink wrap. Looks like an interesting title! Dover Publications ISBN 048620247X 9780486202471 [US] 

36. Cryptography: The Science of Secret Writing
by Smith Laurence D 
Price: USD 10.56
Dealer: Biblio, Mediaoutletdeal1
Description: Dover Publications, Date: 1955-06-01. Paperback. New. Dover Publications ISBN 048620247X 9780486202471 [US] 

37. Cryptography: The Science of Secret Writing
by Smith Laurence D 
Price: USD 9.91
Dealer: Biblio, Mediaoutletdeal1
Description: Dover Publications, Date: 1955-06-01. Paperback. Like New. Dover Publications ISBN 048620247X 9780486202471 [US] 

38. Cryptography: The Science of Secret Writing
by Smith Laurence D 
Price: USD 9.95
Dealer: Biblio, Russell Books Ltd
Description: Dover Publications. New. Special order direct from the distributor Dover Publications ISBN 048620247x 9780486202471 [CA] 

39. Cryptography: The Science of Secret Writing
by Smith Laurence D 
Price: USD 5.02
Dealer: Biblio, Scott's books
Description: Paperback. Fine. ISBN 048620247X 9780486202471 [US] 

40. Cryptography: The Science of Secret Writing
by Smith Laurence Dwight; Laurence Dwight Smith Author 
Price: USD 10.00
Dealer: Biblio, gearbooks
Description: New York: Dover Publications, Inc., Date: 1943. Trade Paperback. Good. 8vo or 8° (Medium Octavo): 7¾" x 9¾" tall. Menten Inc. (Cover Design). 164 pp. Solidly bound copy with moderate use. Occassional pencil markings on text. Stains on top and fore edges. Marks on front cover. Creased front cover. Dover Publications, Inc. ISBN 048620247X 9780486202471 [US] 

41. Cryptography: The Science of Secret Writing
by Laurence D. Smith 
Price: USD 11.52
Dealer: AbebooksUK, Revaluation Books
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover Pubns] Softcover 164 pages. 8.00x5.50x0.25 inches. In Stock. [Exeter, United Kingdom] [Publication Year: 2000]  

42. Cryptography: The Science of Secret Writing
by Laurence D. Smith 
Price: USD 11.91
Dealer: AbebooksUK, Revaluation Books
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover Pubns] Softcover 164 pages. 8.00x5.50x0.25 inches. In Stock. [Exeter, United Kingdom] [Publication Year: 2000]  

43. Cryptography: The Science of Secret Writing
by Smith, Laurence D 
Price: USD 6.93
Dealer: Alibris
Description: New York Dover Publications 1955 Trade paperback New. Trade paperback (US). Glued binding. 176 p. Dover Puzzle Books. 

44. Cryptography: The Science of Secret Writing
by Smith, Laurence D 
Price: USD 21.18
Dealer: Alibris, Booksplease via Alibris
Description: New York Dover Publications 1955 Trade paperback New. Trade paperback (US). Glued binding. 176 p. Dover Puzzle Books. 

45. Cryptography: The Science of Secret Writing
by Smith, Laurence D. 
Price: USD 59.41
Dealer: Abebooks, BennettBooksLtd
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover Publications] Softcover New. In shrink wrap. Looks like an interesting title! 0.41 [North Las Vegas, NV, U.S.A.] [Publication Year: 1955]  

46. Cryptography: The Science of Secret Writing
by Smith, Laurence D. 
Price: USD 6.00
Dealer: Abebooks, Best and Fastest Books
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover Publications] Softcover Very well kept copy, unmarked pages, tight binding, minimal wear. Fast Shipping - Safe and Secure Bubble Mailer! [Wantage, NJ, U.S.A.] [Publication Year: 1955]  

47. Cryptography: The Science of Secret Writing
by Smith, Laurence D. 
Price: USD 9.98
Dealer: Abebooks, Book Deals
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover Publications] Softcover Good condition. This is the average used book, that has all pages or leaves present, but may include writing. Book may be ex-library with stamps and stickers. [Tucson, AZ, U.S.A.] [Publication Year: 1955]  

48. Cryptography: The Science of Secret Writing
by Smith, Laurence D. 
Price: USD 12.86
Dealer: Abebooks, Books Unplugged
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover Publications] Softcover Buy with confidence! Book is in new, never-used condition [Amherst, NY, U.S.A.] [Publication Year: 1955]  

49. Cryptography: The Science of Secret Writing
by Smith, Laurence D. 
Price: USD 14.82
Dealer: Abebooks, Ebooksweb
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover Publications] Softcover signs of little wear on the cover. [Bensalem, PA, U.S.A.] [Publication Year: 1955]  

50. Cryptography: The Science of Secret Writing
by Smith, Laurence D. 
Price: USD 14.97
Dealer: Abebooks, Ebooksweb
Description: ISBN10: 048620247X, ISBN13: 9780486202471, [publisher: Dover Publications] Softcover Remainder mark [Bensalem, PA, U.S.A.] [Publication Year: 1955]