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Introduction to Codes and Ciphers: Plus 20 Famous Unsolved Codes, Ciphers, and Mysterious Writings. Can You Solve Them?
4.6
P754
Codes and Ciphers - A History of Cryptography
4.4
P514
Secret Code Book: Substitution Ciphers
3.5
P164
Games with Codes and Ciphers
P684
Can You Crack the Code?: A Fascinating History of Ciphers and Cryptography Hardcover – March 26, 2019
4.6
P2,049
Cracking Codes and Cryptograms For Dummies
4.3
P914
The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography Paperback – Illustrated, August 29, 2000
4.6
P1,119
Create Your Own Secret Language: Invent Codes, Ciphers, Hidden Messages, and More (King of Scars Duology, 30)
4.5
P219
Codes & Ciphers: Clever Devices for Coding and Decoding to Cut Out and Make
P217
Cracking Codes with Python: An Introduction to Building and Breaking Ciphers
P1,829
Radio Flyer Classic Red Dual Deck Tricycle
P18,288
Code Cracking for Kids
P614
Secrets of Making and Breaking Codes: A Hands-on Guide to Both Simple and Sophisticated Codes to Easily Help You Become a Codemaster
4.1
P1,109
Secret Writing: An Introduction to Cryptograms, Ciphers, and Codes
FREE
Cracking Codes and Cryptograms for Dummies
P154
The Code Book: The Secrets Behind Codebreaking
4.6
P165
TOP SECRET HANDBK CODES & CIPHERS
P438
Code Cracking for Kids: Secret Communications Throughout History, with 21 Codes and Ciphers (For Kids series)
5
P358
Codes, Ciphers and Secret Writing (Dover Brain Games & Puzzles)
4.5
P789
The Pigpen Cipher Puzzles: Fun code breaking puzzles for Adults and Teens. Motivational and funny phrases to decode,over 50 entertaining coded puzzles ... cover book (PigPen cipher Puzzle Volume) Paperback – February 17, 2020
4.4
P178
Create Your Own Secret Language: Invent Codes, Ciphers, Hidden Messages, and More
P242
Signs Symbols and Ciphers
P328
The Emperor's Codes: The Breaking of Japan's Secret Ciphers
P194
Top Secret: A Handbook of Codes, Ciphers and Secret Writing Paperback – Illustrated, April 11, 2006
4.6
P994
Secret Spy Codes and Messages
P1,919
Amazing Cryptograms Puzzles for kids aged 6-12: 150 ciphers with famous children’s book quotes (Amazing Puzzle Books for Kids ages 6-12)
P384
Cipher Of Genesis: Using The Qabalistic Code To Interpret The First Book of the Bible and the Teachings of Jesus
4.4
P1,509
U.S.A. Secret Code Puzzles for Kids (Dover Kids Activity Books: U.S.A.)
4.6
P97
Hunt A Killer: The Detective's Puzzle Book: True-Crime-Inspired Ciphers, Codes, and Brain Games Paperback – July 8, 2022
4.6
P248
Codes, Ciphers, Secrets and Cryptic Communication: Making and Breaking Secret Messages from Hieroglyphs to the Internet
4.6
P170
Explorer Academy Ultimate Activity Challenge Paperback – November 5, 2019
4.8
P163
Explorer Academy Codebreaking Activity Adventure
4.7
P1,099
Break the Code: Cryptography for Beginners (Dover Kids Activity Books)
4.5
P904
Cracking Codes with Python: An Introduction to Building and Breaking Ciphers Illustrated Edition
4.7
P421
Cryptograms Celebrity Cipher Puzzle Book: 300 Cryptic And Secret Inspirational & Motivational Quotes, cryptogram puzzle book for adults (300 Cryptoquotes With Solutions)
3.6
P329
Worldwide Secret Code Puzzles for Kids (Dover Kids Activity Books)
4.5
P97
Brain Games - Code Breaker Spiral-bound – February 15, 2017
4.4
P949
Enigma Cipher Machine Patent Print Art 1933
5
P989
Memory Activity Book: 100+ Brain Exercises to Supercharge Your Memory Paperback – July 27, 2021
4.4
P165
Secret Code Breaking Puzzles for Kids: Create and Crack 25 Codes and Cryptograms for Children aged 6 to 10. Great as a Gift for Junior Spies
4.4
P804
Cipher Secret Code Puzzle Activity Book for Kids
P337
Understanding Cryptography: A Textbook for Students and Practitioners 2010th Edition
4.6
P1,679
Unraveling the Zodiac Ciphers and Codes
5
P984
The Pigpen Cipher Puzzles Volume II: Fun code breaking puzzles for Adults and Teens. Clever brain teasers to decode, over 90 entertaining coded brain ... cover book (PigPen cipher Puzzle Volume 2)
P337
Codes, Ciphers and Other Cryptic and Clandestine Communication: 400 Ways to Send Secret Messages from Hieroglyphs to the Internet Hardcover – January 10, 1998
4.7
P2,339
The American Magic: Codes, Ciphers and the Defeat of Japan
4
P684
Cryptography for Kids: So you want to be a spy? (Code Breaking for Kids)
5
P260
Mysterious Messages: A History of Codes and Ciphers: A History of Codes and Ciphers
FREE
The Cipher: Nina Guerrera, Book 1
4.4
FREE
The Cryptoclub Workbook: Using Mathematics to Make and Break Secret Codes
4.8
P1,579
The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography
4.7
P1,319
Hunt A Killer The Moon Summit Mystery Complete Box Set Special Edition, Murder Mystery Game, Unsolved Case For A Sole Detective Or Multiple Date & Game Nights With Friends, Ages 14+ (Hak0600Bd001)
4.7
P789
Code of Honor
4.8
P819
Codes and Ciphers Book (An Anime Secret Word Puzzle Book for Kids): Sota is searching for his sister Mei. Using the map supplied, help Sota solve the ... obstacles, and find the hidden portal.
P764
Codes, Ciphers and Spies: Tales of Military Intelligence in World War I
4.3
P1,999
Codes and Ciphers (Detective Yates and the Lost Book): Detective Yates is searching for a very special book. Follow the clues on each page and you ... of the book, you can choose to receive a fabu
P624
Codes, Ciphers, Steganography & Secret Messages
4.4
P2,319
Codes and Ciphers: 500 LARGE PRINT Cryptograms to Exercise Your Mind.
P291
Codes and Ciphers: Julius Caesar, the Enigma, and the Internet
4.6
P2,159
The Cracking Code Book
P192
Cipher/Code of Dishonor; Aaron Burr, an American Enigma
P1,329
Key Box Wall Mounted, Key Storage Lock Box with Resettable Code, 4-Digit Combination Lock Box, Code Storage Case, Cipher Lock Box for Realtors, Contractors, Kids, Spare Key Storage
4.6
P467
Create Your Own Secret Language: Invent Codes, Ciphers, Hidden Messages, and More Paperback – Illustrated, 1 July 2020
4.4
P1,349
Cracking Codes With Python: An Introduction to Building and Breaking Ciphers Paperback – Big Book, 23 January 2018
4.7
P1,429
Codes and Ciphers - A History Of Cryptography
P1,739
Codes, Ciphers and Secret Writing
4.5
P430
Code and Cipher Puzzles For Dads: Entertaining Code-Cracking Puzzles and Activities to Put Your Brain to the Test
P714
The Code Book: The Secret History of Codes and Code-Breaking
4.6
P213
Codes, Ciphers, Secrets, and Cryptic Communication: Making and Breaking Secret Messages from Hieroglyphs to the Internet
4.6
P1,799
The Rose Code: A Novel Paperback – Deckle Edge, 9 March 2021
4.7
P315
Codes and Ciphers - A History Of Cryptography
4.5
P1,939
Codes and Ciphers: Clever Devices for Coding and Decoding to Cut Out and Make
4.6
P594
Codes and Ciphers Book (Detective Yates and the Lost Book): Detective Yates is searching for a very special book. Follow the clues on each page and ... of the book, you can choose to receive
P288
Wireless Networking: Introduction to Bluetooth and WiFi
3.8
P2,089
Codes, Ciphers and Other Cryptic and Clandestine Communication
4.7
P2,349
The Cryptoclub: Using Mathematics to Make and Break Secret Codes
4.6
P1,218
Coffee. Private Cipher Code
P1,499
Games with Codes and Ciphers
P450
The Mirror Code: Breaking the Zodiac Killer Cipher Codes
P1,169
Telegraphic Cipher Code: Gerrish System
P1,409
Private Telegraphic Cipher Code
P804
Introduction to Modern Cryptography
4.7
P1,855
Black Hat Python, 2nd Edition: Python Programming for Hackers and Pentesters
4.7
P2,109
LeelineCipher Code Deposit Box Mechanical Wooden Model 3D Puzzle
P1,429
Introduction to Codes and Ciphers: Plus 20 Famous Unsolved Codes, Ciphers, and Mysterious Writings. Can You Solve Them?
P350
General Cipher Code
P1,019
Barnard's Universal Cipher Code [microform]: for Telegraphic Communication Between Chiefs of Police, Sheriffs, Marshals and Other Peace Officers of the United States and Canada
P869
The Emperor's Code
P339
Spy Codes and Ciphers
P1,269
Unraveling the Zodiac Ciphers and Codes
P1,319
The Modern Economy Telegraphic and Cable Cipher Code: Adapted to the Use of Buyers, Sellers, Brokers, Shippers and Receivers of Green and Dried Fruit and Produce
P1,449
MUCHENGGIFT Da Vinci Code Mini Cryptex Valentine's Day Interesting Creative Romantic Birthday Gifts for Her
5
P1,739
Explorer Academy: The Nebula Secret
4.7
P126
Atlas - the universal travellers' and tourists' telegraphic cipher code
P3,529
Code Cracking for Kids: Secret Communications Throughout History, with 21 Codes and Ciphers
P634
Uncracked Codes and Ciphers
P1,659
Flexzion Key Lock Box - Key Storage House Shape Safe Box Wall Mounted 4 Digit Combination Lock, Security Key Holder, Code Storage Case, Cipher Lock Box for Indoors Outdoors Weather Rust Resistant
P779
The Moscow Cipher Paperback – 31 May 2018
4.7
P191
Cipher code of words, phrases, names of organizations and titles of their officers, names of principal railroads, months, days, time of day, alphabet ... employees in telegraphic correspondence
P1,299
Codes and Ciphers: Clever Devices for Coding and Decoding to Cut Out and Make
4.6
P884
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Denise Sutherlandmark Koltko-riverachristopher L. Hodapp
Simon Singh
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Codes
Chicago Review Press
Hamilton Nickels
Denise Sutherland
Candlewick
Martin Gardner
B. Ann Angel
David J. Peterson
Thames & Hudson Ltd
Michael Smith
Paul B. Janeczkojenna Lareau
Christy Peterson
Carlo Suaresgregg Braden
Tony J. Tallarico Jr.
Hunt A Killer
Brand: Black Dog N Leventhal Publishers
National Geographic Kids
Gareth Moore
Bud Johnson
Publications International Ltd.brain Games
Alexis Olson Phd
Happy Bear Publications
Christof Paarjan Pelzl
Fred B. Wrixon
Farrar, Straus & Giroux
Janet Beissingervera Pless
Simon Singh Dr
Alan Gratz
Zhenge
David J. Petersonodd Dotryan Goldsberry
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