This book is a light-hearted dash through the history of cryptology with plenty of amusing messages, jokes and riddles to encipher and decipher. With the end of the cold war and increasing European unity there is no need to treat cryptography as a subject only appropriate to stories of espionage and warfare. Many children from about 8 or 9 find learning about ciphers as interesting as learning chess or tackling good brain teaser. If they like excriciating jokes and 'groan' riddles, so much the better. There are ingenious gadgets to make which help with the solutions to some of the puzzles.
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Seller: ThriftBooks-Dallas, Dallas, TX, U.S.A.
Paperback. Condition: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. Seller Inventory # G0906212782I4N00
Seller: AwesomeBooks, Wallingford, United Kingdom
Paperback. Condition: Very Good. Secret Messages: Collection of Puzzles Using Codes and Ciphers 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. Seller Inventory # 7719-9780906212783
Quantity: 1 available
Seller: WorldofBooks, Goring-By-Sea, WS, United Kingdom
Paperback. Condition: Very Good. The book has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged. Seller Inventory # GOR002828391
Quantity: 2 available
Seller: MusicMagpie, Stockport, United Kingdom
Condition: Very Good. 1753696470. 7/28/2025 9:54:30 AM. Seller Inventory # U9780906212783
Quantity: 1 available
Seller: Reuseabook, Gloucester, GLOS, United Kingdom
Paperback. Condition: Used; Good. Dispatched, from the UK, within 48 hours of ordering. This book is in good condition but will show signs of previous ownership. Please expect some creasing to the spine and/or minor damage to the cover. Seller Inventory # CHL1231748
Quantity: 2 available
Seller: Bahamut Media, Reading, United Kingdom
Paperback. Condition: Very Good. 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. Seller Inventory # 6545-9780906212783
Quantity: 1 available
Seller: Robinson Street Books, IOBA, Binghamton, NY, U.S.A.
Paperback. Condition: good. Prompt Shipment, shipped in Boxes, Tracking PROVIDED; Good trade paperback with creasing, clean pages, nicked, and prompt shipping with tracking. Seller Inventory # Bing490psd012
Seller: Cambridge Recycled Books, Cambridge, United Kingdom
Paperback. Condition: Fair. Scuffs to cover. Same day dispatch (Mon- Fri) from the UK if ordered by 1pm. Seller Inventory # DR325220827005
Quantity: 1 available
Seller: Yare Books, Great Yarmouth, United Kingdom
Paperback. Condition: Very Good. Dust Jacket Condition: No Cover. Seller Inventory # g007046
Quantity: 1 available
Seller: BennettBooksLtd, San Diego, NV, U.S.A.
paperback. Condition: New. In shrink wrap. Looks like an interesting title! Seller Inventory # Q-0906212782