Codes Ciphers And Secret Writing

Author: Martin Gardner
Publisher: Courier Corporation
ISBN: 0486320316
Size: 74.35 MB
Format: PDF, Docs
View: 5782
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Cipher and decipher codes: transposition and polyalphabetical ciphers, famous codes, typewriter and telephone codes, codes that use playing cards, knots, and swizzle sticks . . . even invisible writing and sending messages through space. 45 ...

Break The Code

Author: Bud Johnson
Publisher: Courier Corporation
ISBN: 0486291464
Size: 35.93 MB
Format: PDF, Kindle
View: 3513
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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.

U S A Secret Code Puzzles For Kids

Author: Tony J. Tallarico
Publisher: Courier Corporation
ISBN: 0486494594
Size: 48.68 MB
Format: PDF, Docs
View: 1559
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Kids love secret codes, and this book offers dozens of intriguing challenges with insights into U.S. history, geography, pop culture, and a host of other subjects.

Mysterious Messages A History Of Codes And Ciphers

Author: Gary Blackwood
Publisher: Penguin
ISBN: 9781101151013
Size: 38.13 MB
Format: PDF, ePub
View: 2857
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Here are the encrypted notes of Spartan warriors, the brilliant code-crackers of Elizabeth I, secret messages of the American Revolution, spy books of the Civil War, the famous Enigma Machine, and the Navajo code talkers.

Top Secret

Author: Paul B. Janeczko
Publisher: Candlewick Press
ISBN: 9780763629724
Size: 39.37 MB
Format: PDF, ePub, Mobi
View: 5896
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Presents history, trivia, and code-breaking tales in a guide book to the world of secret writing that includes examples of a variety of codes and ciphers.

Perplexing Puzzles And Tantalizing Teasers

Author: Martin Gardner
Publisher: Courier Corporation
ISBN: 9780486256375
Size: 63.88 MB
Format: PDF, Mobi
View: 5382
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Combines two previously published works, resulting in ninety-three brain-teasing puzzles, riddles, and questions with an emphasis on humor.

Cracking Codes And Cryptograms For Dummies

Author: Denise Sutherland
Publisher: John Wiley & Sons
ISBN: 9781118068472
Size: 45.49 MB
Format: PDF
View: 4165
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Over 350 handcrafted cryptograms and ciphers of varying types Tips and tricks for cracking even the toughest code Sutherland is a syndicated puzzle author; Koltko-Rivera is an expert on the major symbols and ceremonies of Freemasonry With ...

Mental Magic

Author: Martin Gardner
Publisher: Sterling Publishing Company Incorporated
ISBN: 9780806920498
Size: 28.77 MB
Format: PDF, ePub, Docs
View: 3177
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A collection of math tricks using the magic of numbers in which the marvelous Professor Picanumba can seemingly predict random events in dozens of numerical exercises. Includes answers at the end.

Giant Halloween Spooktacular Activity Book

Author: Dover
Publisher: Courier Dover Publications
ISBN: 0486491773
Size: 69.66 MB
Format: PDF
View: 6831
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Albert Almoznino. (0-486-41876-6) THE ULTIMATE HIDDEN PICTURE ... (0-486-