Penguin Books, Date: 2001-12-01. Paperback. Used:Good. 2001. Penguin Books ISBN 0140244328 9780140244328 [US]

Paperback / softback. New. Cryptography is of huge importance today as codes are used for securing the Internet, mobile phones and electronic transactions. This book traces the development of this science and describes the conflicts between those that want to keep codes weak and those who want strong codes available to all. ISBN 0140244328 9780140244328 [GB]

Penguin Publishing Group, Date: 2001. Paperback. Good. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.Dust jacket quality is not guaranteed. 2001. Penguin Publishing Group ISBN 0140244328 9780140244328 [US]

ISBN10: 0140244328, ISBN13: 9780140244328, [publisher: Penguin Publishing Group] 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: 2002]

ISBN10: 0140244328, ISBN13: 9780140244328, [publisher: Penguin Publishing Group] Softcover Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less 0.7
[Phoenix, AZ, U.S.A.] [Publication Year: 2002]

ISBN10: 0140244328, ISBN13: 9780140244328, [publisher: Penguin Publishing Group] Softcover May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less 0.7
[AUSTELL, GA, U.S.A.] [Publication Year: 2002]

ISBN10: 0140244328, ISBN13: 9780140244328, [publisher: Penguin Books] Softcover 2002. Tight, very lightly used copy with uncreased spine. Cover has very minor shelfwear to extremities. Pages in very good condition being clean & free of any inscription/annotations or creases, although lightly tanned. If you have any queries please contact me by e-mail. Images of items also available on request. We endeavour to send orders as quickly as possible & in most cases are sent by first available post 6 days a week. (169-270/1)
[Peterlee, United Kingdom] [Publication Year: 2002]

ISBN10: 0140244328, ISBN13: 9780140244328, [publisher: Penguin Books] Softcover First Edition 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: 2002]
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ISBN10: 0140244328, ISBN13: 9780140244328, [publisher: Penguin Publishing Group] Softcover
[London, United Kingdom] [Publication Year: 2002]

ISBN10: 0140244328, ISBN13: 9780140244328, [publisher: Penguin Books] Softcover Good condition. A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains. Bundled media such as CDs, DVDs, floppy disks or access codes may not be included.
[Frederick, MD, U.S.A.] [Publication Year: 2002]

ISBN10: 0140244328, ISBN13: 9780140244328, [publisher: Penguin Publishing Group] Softcover First Edition Ships in a BOX from Central Missouri! May not include working access code. Will not include dust jacket. Has used sticker(s) and some writing or highlighting. UPS shipping for most packages, (Priority Mail for AK/HI/APO/PO Boxes).
[Columbia, MO, U.S.A.] [Publication Year: 2002]

ISBN10: 0140244328, ISBN13: 9780140244328, [publisher: Penguin Books] Softcover First Edition Special order direct from the distributor
[Victoria, BC, Canada] [Publication Year: 2002]

ISBN10: 0140244328, ISBN13: 9780140244328, [publisher: Penguin Publishing Group] Softcover The item is fairly worn but still readable. The book may have some cosmetic wear (i.e. creased spine/cover, scratches, curled corners, folded pages, sunburn, stains, water damage, bent, torn, damaged binding, dent). - The dust jacket if present, may be marked, and have considerable heavy wear. - The book might be ex-library copy, and may have the markings and stickers associated from the library - The book may have considerable highlights/notes/underlined pages but the text is legible - Accessories such as CD, codes, toys, may not be included - Safe and Secure Mailer - No Hassle Return
[Phoenix, AZ, U.S.A.] [Publication Year: 2002]

ISBN10: 0140244328, ISBN13: 9780140244328, [publisher: Penguin Books] Softcover 0140244328
[DH, SE, Spain] [Publication Year: 2002]

ISBN10: 0140244328, ISBN13: 9780140244328, [publisher: Penguin Publishing Group] Softcover
[Moncks Corner, SC, U.S.A.] [Publication Year: 2002]

ISBN10: 0140244328, ISBN13: 9780140244328, [publisher: Penguin Books] Softcover 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: 2002]

ISBN10: 0140244328, ISBN13: 9780140244328, [publisher: Penguin Publishing Group] Softcover New Copy. Customer Service Guaranteed
[Austin, TX, U.S.A.] [Publication Year: 2002]

ISBN10: 0140244328, ISBN13: 9780140244328, [publisher: Penguin Publishing Group] Softcover Minimal signs of wear. Corners and cover may show wear. May contain highlighting and or writing. May be missing dust jacket. May not include supplemental materials. May be a former library book.
[Denver, CO, U.S.A.] [Publication Year: 2002]

ISBN10: 0140244328, ISBN13: 9780140244328, [publisher: Penguin Books] Softcover First Edition STORED NEW
[Highland Park, IL, U.S.A.] [Publication Year: 2002]

ISBN10: 0140244328, ISBN13: 9780140244328, [publisher: Penguin Publishing Group] Softcover New! This book is in the same immaculate condition as when it was published
[Tucson, AZ, U.S.A.] [Publication Year: 2002]

ISBN10: 0140244328, ISBN13: 9780140244328, [publisher: Penguin Publishing Group] Softcover
[Grandview Heights, OH, U.S.A.] [Publication Year: 2002]

ISBN10: 0140244328, ISBN13: 9780140244328, [publisher: Penguin Publishing Group] Softcover
[Castle Donington, DERBY, United Kingdom] [Publication Year: 2002]
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ISBN10: 0140244328, ISBN13: 9780140244328, [publisher: Penguin Publishing Group] Softcover First Edition Used book that is in clean, average condition without any missing pages.
[Reno, NV, U.S.A.] [Publication Year: 2001]

ISBN10: 0140244328, ISBN13: 9780140244328, [publisher: Penguin Books] Softcover reissue edition. 8.00x5.25x1.00 inches. In Stock.
[Exeter, United Kingdom] [Publication Year: 2002]

Penguin Publishing Group 2001 Softcover Good Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.