"As gripping as a good thriller." --The Washington Post

Unpack the science of secrecy and discover the methods behind cryptography--the encoding and decoding of information--in this clear and easy-to-understand young adult adaptation of the national bestseller that's perfect for this age of WikiLeaks, the Sony hack, and other events that reveal the extent to which our technology is never quite as secure as we want to believe.

Coders and codebreakers alike will be fascinated by history's most mesmerizing stories of intrigue and cunning--from Julius Caesar and his Caeser cipher to the Allies' use of the Enigma machine to decode German messages during World War II.

Accessible, compelling, and timely, The Code Book is sure to make readers see the past--and the future--in a whole new way.

"Singh's power of explaining complex ideas is as dazzling as ever." --The Guardian

About the Author

Simon Singh is the bestselling author of Fermat’s Enigma, The Code Book, Big Bang, Trick or Treatment?: Alternative Medicine on Trial, and The Simpsons and Their Mathematical Secrets. He lives in London.

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The Greatest Little Used Bookstore in Greater Philadelphia.

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Cathy's Half Price Books, Inc.
#7 Manoa Shopping Center, 1305 West Chester Pike, Havertown, PA, 19083, U.S.A.

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Terms of Sale

FOR ONLINE ORDERS: We guarantee our books to be in the condition described, and will accept returns within seven days of receipt in the same condition as received. Postage is $4.50 for media mail for the first book. and $2.00 for each additional book shipped in the same order. Priority mail is $6.50 for the first book, and $4.00 for each additional book shipped in the same order. (Oversized or unusually heavy books may cost more and will be shipped at cost). International shipping rates quoted b...

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We use high quality padded envelopes or boxes and all our items are packed with tender loving care to ensure they are delivered on time in the condition described.

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Shipping rates within U.S.A.
Order quantity	5 to 14 business days	3 to 6 business days
First item	US$ 3.99	US$ 7.99

Delivery times are set by sellers and vary by carrier and location. Orders passing through Customs may face delays and buyers are responsible for any associated duties or fees. Sellers may contact you regarding additional charges to cover any increased costs to ship your items.