Teens books
Age Range: 12 - 17 years
Grade Level: 7 - 9
Series: History of Science
Library Binding: 211 pages
Publisher: Rosen Young Adult (January 15, 2018)
Language: English
ISBN-10: 150817704X
ISBN-13: 978-1508177043
Product Dimensions: 6.5 x 0.5 x 8.5 inches
Amazon Rank: 3056552
Format: PDF ePub djvu ebook
This intriguing and revelatory history of cryptology ranges from the early days of code-making and code-breaking in ancient Egypt, Sparta, and Rome to the present day when it has slipped beyond the tight control of governments and now affects all our lives whenever we use our cell phones or connect to the internet. Subjects covered here include Mary Queen of Scots' cryptic messages when she was pl...
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