By Bud Johnson

No, it is not a message from outer area! simply learn it backwards, ranging from the base line, to find what this in particular coded message says. (The additional letter "X" in the beginning used to be thrown in exactly to make the message a section extra mysterious.)
Codes were used for hundreds of years. Now, with assistance from this unique e-book, you, too, may be in a position to decipher dozens of mystery messages. Veteran cryptographer Bud Johnson not just describes the several thoughts utilized in mystery writing but in addition explains — basically and easily — how one can make and holiday six other forms of codes: basic letter grouping, opposite path, shift code, key observe code, date shift code, and twisted direction code. you will even study innovations for developing your personal personal messages!
Cartoons through illustrator Larry Daste accompany the fifty one perform messages, in addition to easy-to-follow directions explaining every one form of code and the way to take advantage of it. there is additionally a word list defining universal phrases utilized by cryptographers, a sheet of reproducible graph paper for writing out messages, and a web page of ready-made alphabets for shift and key notice codes. And if all these humorous drawings and priceless directions are not sufficient that can assist you decode our mystery messages, don't be concerned. options are integrated on the finish of the ebook.

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Extra info for Break the Code: Cryptography for Beginners

Example text

Call this a "SHIFT + 3" code (to describe that 3-space slide): PLAINTEXT SHIFT A B c D E F G H X Y Z A bc D E F I I K

Code: Key Word code Key: NEW YORK 26 Coded message: YIHQQ MONYI HGOEC Composition for decoding: • Print the KEY WORD below (This time only, • Now fill in the it's this a gift PLAINTEXT alphabet. ) empty boxes with alphabet letters that haven't been Q R T "used up" by the KEY WORD. A B c D N E W y E F G H I J K L M N O P S U V w X Y Z R K Plaintext message: by letter, look up the coded message in the KEY WORD (lower) alphabet. Then substitute each of those letters with its corresponding letter in the PLAINTEXT (upper) alphabet.

1986 (11/20/86) would be written: specific date, be sure that both that the next page, we'll What's astonishing code. — 1997 (1/6/97) would be written: 010697. But random number or fellow cryptographer like number! work out Otherwise — total confusion!!! a secret message using the "date shift" — and totally different than same you and your letter in all the other codes your original message . . like the five E's in SECRET MEETING AT FIVE t t . . will probably That's why this change code is f tt to five different called The other codes you know " letters 46 " the encoded message!

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