Explains various methods used in cryptography and presents examples to help readers in breaking secret codes

Simply and clearly written book, filled with cartoons and easy-to-follow instructions, tells youngsters 8 and up how to break 6 different types of coded messages. Examples and solutions.

Teaches readers how to make secret codes and messages through clear steps, simple supply lists, and helpful tips and fun facts. Everything kids need to know about being a spy (and more!) is at their fingertips with Spy Kid. From famous spies to how to master spy techniques, this series prepares readers for top secret missions of their own. Features conversational text, step-by-step instructions, and engaging fun facts.

SECRET CODE PUZZLE BOOK Activity Books for Young And Adults . 600 WORD SECRET-CODE. Volume 2Size 8.5" x 11"(21.59 x 27.94 cm) ***All solutions are on the back of the book.*** The secret message is written in symbols. In the code key at the bottom of the page you can find what each symbols means. Write the letter above the symbol and you can read the secret message.

During WWII, Japan's navy relied on secret codes to communicate battle plans. By early 1942, US experts had cracked the code. The Japanese had planned a surprise attack on US Navy ships, but now the Americans knew the attack was coming. They turned the tables on the enemy and won a decisive victory. Math has always been key to warfare. Scientists use mathematical calculations to understand how missiles fly, or how to build faster airplanes. Soldiers in battle use math to figure out how to hit a particular target. From making sure an army has enough supplies to recording casualties and damage, discover how math and calculations lie at the heart of warfare!

This book contains 25 secret codes for your child to crack! Suitable for ages 6 - 10, this book contains clues and answers as well as space to create their own codes. Flip the book back to front to find the clues! Your child will soon be a code cracking and code writing extraordinaire! The book follows Charlie as they get into different situations and you will have to crack the code to answer the questions. This book contains: Crpytograms Morse Code Pigpen Cipher Secret Pirates Code And many more codes to crack! Have fun cracking the codes!

The Secret Code Book is a short introduction to substitution ciphers. The chapters ease young readers into the concept of rotation ciphers and work their way up to the Vigenère cipher. Along the way, readers will also learn about geometric approaches to secret codes such as the Pigpen cipher. As a bonus, there is a brief description of frequency analysis and how it is used to crack secret codes. frper gpbqr obbx In addition, this book actively challenges readers with practice missions where answers are listed in the back. Also, there is a cut-out rotation template that is provided to make your very own cipher disk! After reading this book, you will have all the basic tools needed to create secret messages.

Even though Rocket is the fastest kid in third grade, his dyslexia makes him a slow reader. When he finds coded notes, Rocket knows he needs the help of his friends, the Gumshoe Gang. Together they try crack the secret messages but kind they are stuck. Can the Gumshoe gang crack this case? Is Mrs. Flores in danger? And is the new computer teacher really an alien? These mysteries are perfect for your early fluent reader. With longer sentences and fewer illustrations, these are suited to keep readers guessing as they solve for clues. • Extensive back matter • Underlying issues related to friends, family, and growing up • Keeps kids guessing with false clues

Codes can carry big secrets! Throughout history, lots of good guys and lots of bad guys have used codes to keep their messages under wraps. This fun and flippable nonfiction features stories of hidden treasures, war-time maneuverings, and contemporary hacking as well as explaining the mechanics behind the codes in accessible and kid friendly forms. Sidebars call out activities that invite the reader to try their own hand at cracking and crafting their own secret messages. This is the launch of an exciting new series that invites readers into a STEM topic through compelling historical anecdotes, scientific backup, and DIY projects.