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The Secret Life of Codes: How to Make Them and Break Them
By Ian Baker (illustrator) and Kjartan Poskitt
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Bibliographic Detail
Publisher Gardners Books
Publication date January 4, 2010
Pages 160
Binding Paperback
Edition New
Book category Juvenile Non-Fiction
ISBN-13 9781407107158
ISBN-10 1407107151
Dimensions 0.50 by 5 by 7.75 in.
Weight 0.26 lbs.
Availability§ Publisher Out of Stock
Published in Great Britain
Original list price $9.40
§As reported by publisher
Summaries and Reviews
Amazon.com description: Product Description: Using a host of hilarious characters, Kjartan Poskitt presents all the tricks, tips and shortcuts to maths they don't teach at school. Readers will learn how to encode and decode their own messages in as many ways as possible. Can you see this very last paragraph is coded? (Read all the fourth words). The book demonstrates other codes you've probably never really been aware of. Stop waiting therefore and go for it.

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Paperback
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The price comparison is for this edition
With Kjartan Poskitt | New edition from Gardners Books (January 4, 2010)
9781407107158 | details & prices | 160 pages | 5.00 × 7.75 × 0.50 in. | 0.26 lbs | List price $9.40
About: Using a host of hilarious characters, Kjartan Poskitt presents all the tricks, tips and shortcuts to maths they don't teach at school.

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