At the age of 16, the author became the Irish Young Scientist of the Year with a highly innovative, speedy and secure system of encoding data on the Internet. An inspiring account of a mathematical education with many puzzles and examples it offers into cryptography and numeracy.

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Better World Books is the world?s leading socially conscious online bookseller and has sold over 100 million books. Each sale generates funds for global literacy. We offer low prices, fast shipping, and have a 100% money back guarantee.

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Better World Books Ltd
Better World Books, Third Floor, One London Square, Cross Lanes, Guildford, GU1 1UN, United Kingdom

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Better World Books (BWB) values your satisfaction and offers you returns within thirty (30) days after the estimated delivery date on most items. All returned items must be in the original condition; used items should include the SKU sticker located on the spine or back of the product.

If you have an incomplete, incorrect, or damaged shipment, please contact our Customer Care team via Abebooks contact seller options before proceeding with the return.Please keep in mind that because we deal mostl...

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