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Introduction to Codes and Ciphers: Plus 20 Famous Unsolved Codes, Ciphers, and Mysterious Writings. Can You Solve Them?
4.6
$66
Codes and Ciphers - A History of Cryptography
4.4
$104
Secret Code Book: Substitution Ciphers
3.5
EX$38
Games with Codes and Ciphers
$28
Can You Crack the Code?: A Fascinating History of Ciphers and Cryptography Hardcover – March 26, 2019
4.6
$98
Cracking Codes and Cryptograms For Dummies
4.3
$52
The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography Paperback – Illustrated, August 29, 2000
4.6
$64
Create Your Own Secret Language: Invent Codes, Ciphers, Hidden Messages, and More (King of Scars Duology, 30)
4.5
$43
Codes & Ciphers: Clever Devices for Coding and Decoding to Cut Out and Make
EX$51
Cracking Codes with Python: An Introduction to Building and Breaking Ciphers
$106
Radio Flyer Classic Red Dual Deck Tricycle
$3,721
Code Cracking for Kids
EX$146
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
$67
Secret Writing: An Introduction to Cryptograms, Ciphers, and Codes
FREE
Cracking Codes and Cryptograms for Dummies
$31
The Code Book: The Secrets Behind Codebreaking
4.6
$33
TOP SECRET HANDBK CODES & CIPHERS
EX$104
Code Cracking for Kids: Secret Communications Throughout History, with 21 Codes and Ciphers (For Kids series)
5
EX$83
Codes, Ciphers and Secret Writing (Dover Brain Games & Puzzles)
4.5
$43
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
$37
Create Your Own Secret Language: Invent Codes, Ciphers, Hidden Messages, and More
EX$58
Signs Symbols and Ciphers
EX$78
The Emperor's Codes: The Breaking of Japan's Secret Ciphers
$38
Top Secret: A Handbook of Codes, Ciphers and Secret Writing Paperback – Illustrated, April 11, 2006
4.6
$62
Secret Spy Codes and Messages
$120
Amazing Cryptograms Puzzles for kids aged 6-12: 150 ciphers with famous children’s book quotes (Amazing Puzzle Books for Kids ages 6-12)
$29
Cipher Of Genesis: Using The Qabalistic Code To Interpret The First Book of the Bible and the Teachings of Jesus
4.4
$110
U.S.A. Secret Code Puzzles for Kids (Dover Kids Activity Books: U.S.A.)
4.6
$20
Hunt A Killer: The Detective's Puzzle Book: True-Crime-Inspired Ciphers, Codes, and Brain Games Paperback – July 8, 2022
4.6
$50
Codes, Ciphers, Secrets and Cryptic Communication: Making and Breaking Secret Messages from Hieroglyphs to the Internet
4.6
EX$42
Explorer Academy Ultimate Activity Challenge Paperback – November 5, 2019
4.8
$33
Explorer Academy Codebreaking Activity Adventure
4.7
$71
Break the Code: Cryptography for Beginners (Dover Kids Activity Books)
4.5
$52
Cracking Codes with Python: An Introduction to Building and Breaking Ciphers Illustrated Edition
4.7
$85
Cryptograms Celebrity Cipher Puzzle Book: 300 Cryptic And Secret Inspirational & Motivational Quotes, cryptogram puzzle book for adults (300 Cryptoquotes With Solutions)
3.6
$26
Worldwide Secret Code Puzzles for Kids (Dover Kids Activity Books)
4.5
$20
Brain Games - Code Breaker Spiral-bound – February 15, 2017
4.4
$48
Enigma Cipher Machine Patent Print Art 1933
5
$87
Memory Activity Book: 100+ Brain Exercises to Supercharge Your Memory Paperback – July 27, 2021
4.4
$33
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
$43
Cipher Secret Code Puzzle Activity Book for Kids
$26
Understanding Cryptography: A Textbook for Students and Practitioners 2010th Edition
4.6
$121
Unraveling the Zodiac Ciphers and Codes
5
$78
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)
$26
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
$77
The American Magic: Codes, Ciphers and the Defeat of Japan
4
EX$158
Cryptography for Kids: So you want to be a spy? (Code Breaking for Kids)
5
EX$62
The Cryptoclub Workbook: Using Mathematics to Make and Break Secret Codes
4.8
$115
The Cipher: Nina Guerrera, Book 1
4.4
FREE
Mysterious Messages: A History of Codes and Ciphers: A History of Codes and Ciphers
FREE
The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography
4.7
$135
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
$46
Code of Honor
4.8
$84
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.
$62
Codes, Ciphers and Spies: Tales of Military Intelligence in World War I
4.3
$154
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
$50
Codes, Ciphers, Steganography & Secret Messages
4.4
$178
Codes and Ciphers: 500 LARGE PRINT Cryptograms to Exercise Your Mind.
$59
Codes and Ciphers: Julius Caesar, the Enigma, and the Internet
4.6
$166
The Cracking Code Book
$31
Cipher/Code of Dishonor; Aaron Burr, an American Enigma
$103
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
$95
Create Your Own Secret Language: Invent Codes, Ciphers, Hidden Messages, and More Paperback – Illustrated, 1 July 2020
4.4
$100
Cracking Codes With Python: An Introduction to Building and Breaking Ciphers Paperback – Big Book, 23 January 2018
4.7
$108
Codes and Ciphers - A History Of Cryptography
$134
Codes, Ciphers and Secret Writing
4.5
$44
Code and Cipher Puzzles For Dads: Entertaining Code-Cracking Puzzles and Activities to Put Your Brain to the Test
$58
The Code Book: The Secret History of Codes and Code-Breaking
4.6
$44
Codes, Ciphers, Secrets, and Cryptic Communication: Making and Breaking Secret Messages from Hieroglyphs to the Internet
4.6
$139
The Rose Code: A Novel Paperback – Deckle Edge, 9 March 2021
4.7
$64
Codes and Ciphers - A History Of Cryptography
4.5
$198
Codes and Ciphers: Clever Devices for Coding and Decoding to Cut Out and Make
4.6
$49
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
$22
Wireless Networking: Introduction to Bluetooth and WiFi
3.8
$167
Codes, Ciphers and Other Cryptic and Clandestine Communication
4.7
$180
The Cryptoclub: Using Mathematics to Make and Break Secret Codes
4.6
$243
Coffee. Private Cipher Code
$117
Games with Codes and Ciphers
$34
The Mirror Code: Breaking the Zodiac Killer Cipher Codes
$92
Telegraphic Cipher Code: Gerrish System
$109
Introduction to Modern Cryptography
4.7
$383
Black Hat Python, 2nd Edition: Python Programming for Hackers and Pentesters
4.7
$177
Private Telegraphic Cipher Code
$64
LeelineCipher Code Deposit Box Mechanical Wooden Model 3D Puzzle
$146
Introduction to Codes and Ciphers: Plus 20 Famous Unsolved Codes, Ciphers, and Mysterious Writings. Can You Solve Them?
$57
General Cipher Code
$81
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
$69
The Emperor's Code
$96
Spy Codes and Ciphers
$98
Unraveling the Zodiac Ciphers and Codes
$103
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
$112
MUCHENGGIFT Da Vinci Code Mini Cryptex Valentine's Day Interesting Creative Romantic Birthday Gifts for Her
5
$178
Explorer Academy: The Nebula Secret
4.7
$26
Atlas - the universal travellers' and tourists' telegraphic cipher code
$269
Code Cracking for Kids: Secret Communications Throughout History, with 21 Codes and Ciphers
$100
Uncracked Codes and Ciphers
$128
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
$121
The Moscow Cipher Paperback – 31 May 2018
4.7
$37
Codes and Ciphers: Clever Devices for Coding and Decoding to Cut Out and Make
4.6
$52
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
$101
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Ella Schwartz
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Simon Singh
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Al Sweigart
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
Albert Sweigart
Kate Quinn
Gordon Colbach
Justin Seitztim Arnold
Leeline
Scott Mariani
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