Breaking Secret Codes
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Breaking Secret Codes - Jillian Gregory
TABLE OF CONTENTS
Cover
Title Page
The Queen’s Code Crackers
Chapter 1: Transposition Codes
Chapter 2: Substitution Codes
Chapter 3: Book Ciphers and Beyond
Chapter 4: What Was the Secret Message?
Glossary
Read More
Index
Answers
Copyright
Back Cover
Cover
Title Page
Table of Contents
Start of Content
Main Body
cover
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back cover
THE QUEEN’S CODE CRACKERS
In the mid-1500s, Mary, Queen of Scots, was planning to kill her cousin, Queen Elizabeth. In doing so, Mary could take over the English throne. But Elizabeth didn’t trust Mary and was holding her prisoner. Mary had many supporters, though. She exchanged letters with them written in a secret code. These