Making Secret Codes

By Jillian Gregory

Throughout history, army generals, spies, and even scientists have guarded information through secret codes. Find out how they did it and learn how to create your own secret codes. You and your friends can share secrets that will leave everyone else scratching their heads.

• Language: English
• Publisher: Capstone Young Readers
• Release date: May 1, 2021
• ISBN: 9781663983381

Book preview

Making and Breaking Codes: Making Secret Codes by Jillian Gregory

TABLE OF CONTENTS

Cover

Title Page

Codes All Around Us

Chapter 1: Breaking Down Cryptography

Chapter 2: Codes Throughout History

Chapter 3: Code Play

Glossary

Read More

Index

Answers

Copyright

Back Cover

Cover

Title Page

Table of Contents

Start of Content

Main Body

cover

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2

back cover

CODES ALL AROUND US

Have you ever seen a stock car race? The race cars speed around a track at dangerously high speeds. Stock car officials use a code of different colored flags to communicate with drivers on the track. A yellow flag means caution. A white flag means there is one more lap left in the race.

A man waves a yellow flag.