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Author : Ruth Nulton Moore
Publisher : Herald Press (VA)
Page : 132 pages
File Size : 48,9 Mb
Release : 1985
Category : Juvenile Fiction
ISBN : 0836133943
Teen-agers searching for a treasure hidden at an old farm find a secret message written in code.
Author : Ruth Nulton Moore
Publisher : Unknown
Page : 128 pages
File Size : 46,7 Mb
Release : 1997
Category : PAPERBACK COLLECTION.
ISBN : OCLC:243704538
Author : Craig P. Bauer
Publisher : Princeton University Press
Page : 636 pages
File Size : 53,6 Mb
Release : 2019-06-18
Category : Computers
ISBN : 9780691192291
"In 1953, a man was found dead from cyanide poisoning near the Philadelphia airport with a picture of a Nazi aircraft in his wallet. Taped to his abdomen was an enciphered message. In 1912, a book dealer named Wilfrid Voynich came into possession of an illuminated cipher manuscript once belonging to Emperor Rudolf II, who was obsessed with alchemy and the occult. Wartime codebreakers tried--and failed--to unlock the book's secrets, and it remains an enigma to this day. In this lively and entertaining book, Craig Bauer examines these and other vexing ciphers yet to be cracked. Some may reveal the identity of a spy or serial killer, provide the location of buried treasure, or expose a secret society--while others may be elaborate hoaxes. Unsolved! begins by explaining the basics of cryptology, and then explores the history behind an array of unsolved ciphers. It looks at ancient ciphers, ciphers created by artists and composers, ciphers left by killers and victims, Cold War ciphers, and many others. Some are infamous, like the ciphers in the Zodiac letters, while others were created purely as intellectual challenges by figures such as Nobel Prize-winning physicist Richard P. Feynman. Bauer lays out the evidence surrounding each cipher, describes the efforts of geniuses and eccentrics--in some cases both--to decipher it, and invites readers to try their hand at puzzles that have stymied so many others. Unsolved! takes readers from the ancient world to the digital age, providing an amazing tour of many of history's greatest unsolved ciphers"--
Author : Ruth Nulton Moore
Publisher : Turtleback Books
Page : 128 pages
File Size : 52,5 Mb
Release : 1985-07-01
Category : Electronic
ISBN : 0613891759
Teen-agers searching for a treasure hidden at an old farm find a secret message written in code.
Author : Alex Hirsch
Publisher : Disney Electronic Content
Page : 128 pages
File Size : 47,5 Mb
Release : 2018-07-24
Category : Juvenile Fiction
ISBN : 9781368017091
A collection of four all-new strange stories from the sleepy town of Gravity Falls in one original graphic novel. Written by Alex Hirsch. Illustrated by Asaf Hanuka, Dana Terrace, Ian Worrel, Jacob Chabot, Jim Campbell, Joe Pitt, Kyle Smeallie, Meredith Gran, Mike Holmes, Priscilla Tang, Serina Hernandez, Stephanie Ramirez, and Valerie Halla.
Author : Clifford B. Hicks
Publisher : Bethlehem Books
Page : 0 pages
File Size : 50,5 Mb
Release : 2006
Category : Code and cipher stories
ISBN : 1932350004
Twelve-year-old Alvin and his best friend Shoie use their knowledge of codes and ciphers to solve a dangerous mystery.
Author : Martin Gardner
Publisher : Courier Corporation
Page : 100 pages
File Size : 41,5 Mb
Release : 1984-01-01
Category : Juvenile Nonfiction
ISBN : 0486247619
Explains various methods used in cryptography and presents examples to help readers in breaking secret codes
Author : Dori Hillestad Butler
Publisher : Holiday House
Page : 48 pages
File Size : 47,5 Mb
Release : 2017-03-07
Category : Juvenile Fiction
ISBN : 9781682630853
King & Kayla are back on the case in this laugh-out-loud mystery from the Theodor Seuss Geisel Honor Award-winning series. King and Kayla receive a mysterious letter written in code. Mason received an almost identical letter. How can they crack the code? Kayla notices that there aren't any vowels in most of the words; you can't write words without vowels. When she compares her letter to Mason's, only one word is different. Sensitive King notices that the letter smells like Jillian. Why would Jillian write them letters in code? With simple, straightforward language and great verbal and visual humor, the King & Kayla series is perfect for newly independent readers. King and Kayla model excellent problem-solving skills, including working as a team, gathering facts, making lists, and evaluating evidence.
Author : Kyla Steinkraus
Publisher : Carson-Dellosa Publishing
Page : 50 pages
File Size : 42,9 Mb
Release : 2018-11-30
Category : Juvenile Fiction
ISBN : 9781643696935
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
Author : Deanna Caswell
Publisher : Black Rabbit Books
Page : 0 pages
File Size : 49,5 Mb
Release : 2018-08-07
Category : Juvenile Nonfiction
ISBN : 1644662957
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.
Author : Carolyn Keene
Publisher : Penguin
Page : 115 pages
File Size : 46,8 Mb
Release : 2007-05-10
Category : Juvenile Fiction
ISBN : 9781101501283
Nancy Drew loves to share her tips for solving mysteries with the Detective Club, a group of her friends from River Heights. Get the scoop on Nancy’s sleuthing secrets—like what your handwriting says about your personality, how to identify fingerprints, and even how to catch a ghost! Get a clue with Nancy Drew!
Author : LeAnn Campbell
Publisher : OakTara Publishers
Page : 240 pages
File Size : 40,7 Mb
Release : 2012-02
Category : Code and cipher stories
ISBN : 1602903174
Jo and Maggie take shelter from a tornado in a cave on Century Farm and find a secret code that leads to more discoveries of the Civil War.
Author : Bob Wright
Publisher : Unknown
Page : 52 pages
File Size : 54,8 Mb
Release : 1984
Category : Detective and mystery stories
ISBN : 0878793917
"Tom and Ricky find a coded message in a book at the library. When some video games and Tom's bike are stolen, Tom and Ricky put two and two together - and with Eddie's help, try to decode the message and unravel the mystery"--Page 4 of cover
Author : Emily Bone
Publisher : Usborne Books
Page : 0 pages
File Size : 44,7 Mb
Release : 2024-04-02
Category : Juvenile Nonfiction
ISBN : 1805072110
Code-cracking skills can be put to the test in this entertaining book which teaches children how to write and decode secret messages. Includes Semaphore and Morse code, the Grid code used in the American Civil War, Egyptian hieroglyphics, number replacement and alphabet switching codes and more. Each page features a different type of code, with an explanation of how it works and a practice code to crack. All answers are available at the back of the book.
Author : John Redden
Publisher : Lulu.com
Page : 58 pages
File Size : 43,6 Mb
Release : 2018-03-12
Category : Education
ISBN : 9781387346080
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 Vigen re 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.