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Introduction to Codes and Ciphers: Plus 20 Famous Unsolved Codes, Ciphers, and Mysterious Writings. Can You Solve Them?

Introduction to Codes and Ciphers: Plus 20 Famous Unsolved Codes, Ciphers, and Mysterious Writings. Can You Solve Them?

4.6
3,100 Fr
Codes and Ciphers - A History of Cryptography

Codes and Ciphers - A History of Cryptography

4.4
4,210 Fr
Secret Code Book: Substitution Ciphers

Secret Code Book: Substitution Ciphers

3.5
1,200 Fr
Games with Codes and Ciphers

Games with Codes and Ciphers

1,200 Fr
Can You Crack the Code?: A Fascinating History of Ciphers and Cryptography Hardcover – March 26, 2019

Can You Crack the Code?: A Fascinating History of Ciphers and Cryptography Hardcover – March 26, 2019

4.6
4,700 Fr
Cracking Codes and Cryptograms For Dummies

Cracking Codes and Cryptograms For Dummies

4.3
2,200 Fr
The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography Paperback – Illustrated, August 29, 2000

The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography Paperback – Illustrated, August 29, 2000

4.6
3,000 Fr
Create Your Own Secret Language: Invent Codes, Ciphers, Hidden Messages, and More (King of Scars Duology, 30)

Create Your Own Secret Language: Invent Codes, Ciphers, Hidden Messages, and More (King of Scars Duology, 30)

4.5
1,778 Fr
Codes & Ciphers: Clever Devices for Coding and Decoding to Cut Out and Make

Codes & Ciphers: Clever Devices for Coding and Decoding to Cut Out and Make

1,600 Fr
Cracking Codes with Python: An Introduction to Building and Breaking Ciphers

Cracking Codes with Python: An Introduction to Building and Breaking Ciphers

4,400 Fr
Radio Flyer Classic Red Dual Deck Tricycle

Radio Flyer Classic Red Dual Deck Tricycle

149,621 Fr
Code Cracking for Kids

Code Cracking for Kids

5,100 Fr
Secrets of Making and Breaking Codes: A Hands-on Guide to Both Simple and Sophisticated Codes to Easily Help You Become a Codemaster

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
3,000 Fr
Secret Writing: An Introduction to Cryptograms, Ciphers, and Codes

Secret Writing: An Introduction to Cryptograms, Ciphers, and Codes

FREE
Cracking Codes and Cryptograms for Dummies

Cracking Codes and Cryptograms for Dummies

1,263 Fr
The Code Book: The Secrets Behind Codebreaking

The Code Book: The Secrets Behind Codebreaking

4.6
1,357 Fr
TOP SECRET HANDBK CODES & CIPHERS

TOP SECRET HANDBK CODES & CIPHERS

3,700 Fr
Code Cracking for Kids: Secret Communications Throughout History, with 21 Codes and Ciphers (For Kids series)

Code Cracking for Kids: Secret Communications Throughout History, with 21 Codes and Ciphers (For Kids series)

5
3,100 Fr
Codes, Ciphers and Secret Writing (Dover Brain Games & Puzzles)

Codes, Ciphers and Secret Writing (Dover Brain Games & Puzzles)

4.5
1,700 Fr
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

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
1,486 Fr
Create Your Own Secret Language: Invent Codes, Ciphers, Hidden Messages, and More

Create Your Own Secret Language: Invent Codes, Ciphers, Hidden Messages, and More

2,000 Fr
Signs Symbols and Ciphers

Signs Symbols and Ciphers

2,700 Fr
The Emperor's Codes: The Breaking of Japan's Secret Ciphers

The Emperor's Codes: The Breaking of Japan's Secret Ciphers

1,583 Fr
Top Secret: A Handbook of Codes, Ciphers and Secret Writing Paperback – Illustrated, April 11, 2006

Top Secret: A Handbook of Codes, Ciphers and Secret Writing Paperback – Illustrated, April 11, 2006

4.6
2,600 Fr
Secret Spy Codes and Messages

Secret Spy Codes and Messages

4,900 Fr
Amazing Cryptograms Puzzles for kids aged 6-12: 150 ciphers with famous children’s book quotes (Amazing Puzzle Books for Kids ages 6-12)

Amazing Cryptograms Puzzles for kids aged 6-12: 150 ciphers with famous children’s book quotes (Amazing Puzzle Books for Kids ages 6-12)

1,200 Fr
Cipher Of Genesis: Using The Qabalistic Code To Interpret The First Book of the Bible and the Teachings of Jesus

Cipher Of Genesis: Using The Qabalistic Code To Interpret The First Book of the Bible and the Teachings of Jesus

4.4
4,700 Fr
U.S.A. Secret Code Puzzles for Kids (Dover Kids Activity Books: U.S.A.)

U.S.A. Secret Code Puzzles for Kids (Dover Kids Activity Books: U.S.A.)

4.6
800 Fr
Hunt A Killer: The Detective's Puzzle Book: True-Crime-Inspired Ciphers, Codes, and Brain Games Paperback – July 8, 2022

Hunt A Killer: The Detective's Puzzle Book: True-Crime-Inspired Ciphers, Codes, and Brain Games Paperback – July 8, 2022

4.6
2,031 Fr
Codes, Ciphers, Secrets and Cryptic Communication: Making and Breaking Secret Messages from Hieroglyphs to the Internet

Codes, Ciphers, Secrets and Cryptic Communication: Making and Breaking Secret Messages from Hieroglyphs to the Internet

4.6
1,400 Fr
Explorer Academy Ultimate Activity Challenge Paperback – November 5, 2019

Explorer Academy Ultimate Activity Challenge Paperback – November 5, 2019

4.8
1,334 Fr
Explorer Academy Codebreaking Activity Adventure

Explorer Academy Codebreaking Activity Adventure

4.7
3,000 Fr
Break the Code: Cryptography for Beginners (Dover Kids Activity Books)

Break the Code: Cryptography for Beginners (Dover Kids Activity Books)

4.5
2,200 Fr
Cracking Codes with Python: An Introduction to Building and Breaking Ciphers Illustrated Edition

Cracking Codes with Python: An Introduction to Building and Breaking Ciphers Illustrated Edition

4.7
3,447 Fr
Cryptograms Celebrity Cipher Puzzle Book: 300 Cryptic And Secret Inspirational & Motivational Quotes, cryptogram puzzle book for adults (300 Cryptoquotes With Solutions)

Cryptograms Celebrity Cipher Puzzle Book: 300 Cryptic And Secret Inspirational & Motivational Quotes, cryptogram puzzle book for adults (300 Cryptoquotes With Solutions)

3.6
1,100 Fr
Worldwide Secret Code Puzzles for Kids (Dover Kids Activity Books)

Worldwide Secret Code Puzzles for Kids (Dover Kids Activity Books)

4.5
800 Fr
Brain Games - Code Breaker Spiral-bound – February 15, 2017

Brain Games - Code Breaker Spiral-bound – February 15, 2017

4.4
2,300 Fr
Enigma Cipher Machine Patent Print Art 1933

Enigma Cipher Machine Patent Print Art 1933

5
4,100 Fr
Memory Activity Book: 100+ Brain Exercises to Supercharge Your Memory Paperback – July 27, 2021

Memory Activity Book: 100+ Brain Exercises to Supercharge Your Memory Paperback – July 27, 2021

4.4
1,342 Fr
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

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
1,800 Fr
Cipher Secret Code Puzzle Activity Book for Kids

Cipher Secret Code Puzzle Activity Book for Kids

1,100 Fr
Understanding Cryptography: A Textbook for Students and Practitioners 2010th Edition

Understanding Cryptography: A Textbook for Students and Practitioners 2010th Edition

4.6
5,100 Fr
Unraveling the Zodiac Ciphers and Codes

Unraveling the Zodiac Ciphers and Codes

5
3,200 Fr
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)

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)

1,100 Fr
Codes, Ciphers and Other Cryptic and Clandestine Communication: 400 Ways to Send Secret Messages from Hieroglyphs to the Internet Hardcover – January 10, 1998

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
4,100 Fr
The American Magic: Codes, Ciphers and the Defeat of Japan

The American Magic: Codes, Ciphers and the Defeat of Japan

4
5,200 Fr
Cryptography for Kids: So you want to be a spy? (Code Breaking for Kids)

Cryptography for Kids: So you want to be a spy? (Code Breaking for Kids)

5
2,200 Fr
The Cryptoclub Workbook: Using Mathematics to Make and Break Secret Codes

The Cryptoclub Workbook: Using Mathematics to Make and Break Secret Codes

4.8
5,000 Fr
The Cipher: Nina Guerrera, Book 1

The Cipher: Nina Guerrera, Book 1

4.4
FREE
Mysterious Messages: A History of Codes and Ciphers: A History of Codes and Ciphers

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

The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography

4.7
5,500 Fr
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)

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
1,800 Fr
Code of Honor

Code of Honor

4.8
3,400 Fr
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.

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.

2,600 Fr
Codes, Ciphers and Spies: Tales of Military Intelligence in World War I

Codes, Ciphers and Spies: Tales of Military Intelligence in World War I

4.3
6,400 Fr
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

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

2,100 Fr
Codes, Ciphers, Steganography & Secret Messages

Codes, Ciphers, Steganography & Secret Messages

4.4
7,300 Fr
Codes and Ciphers: 500 LARGE PRINT Cryptograms to Exercise Your Mind.

Codes and Ciphers: 500 LARGE PRINT Cryptograms to Exercise Your Mind.

2,381 Fr
Codes and Ciphers: Julius Caesar, the Enigma, and the Internet

Codes and Ciphers: Julius Caesar, the Enigma, and the Internet

4.6
6,900 Fr
The Cracking Code Book

The Cracking Code Book

1,200 Fr
Cipher/Code of Dishonor; Aaron Burr, an American Enigma

Cipher/Code of Dishonor; Aaron Burr, an American Enigma

4,300 Fr
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

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
3,824 Fr
Create Your Own Secret Language: Invent Codes, Ciphers, Hidden Messages, and More Paperback – Illustrated, 1 July 2020

Create Your Own Secret Language: Invent Codes, Ciphers, Hidden Messages, and More Paperback – Illustrated, 1 July 2020

4.4
4,000 Fr
Cracking Codes With Python: An Introduction to Building and Breaking Ciphers Paperback – Big Book, 23 January 2018

Cracking Codes With Python: An Introduction to Building and Breaking Ciphers Paperback – Big Book, 23 January 2018

4.7
4,400 Fr
Codes, Ciphers and Secret Writing

Codes, Ciphers and Secret Writing

4.5
1,800 Fr
Codes and Ciphers - A History Of Cryptography

Codes and Ciphers - A History Of Cryptography

5,500 Fr
Code and Cipher Puzzles For Dads: Entertaining Code-Cracking Puzzles and Activities to Put Your Brain to the Test

Code and Cipher Puzzles For Dads: Entertaining Code-Cracking Puzzles and Activities to Put Your Brain to the Test

2,400 Fr
The Code Book: The Secret History of Codes and Code-Breaking

The Code Book: The Secret History of Codes and Code-Breaking

4.6
1,745 Fr
Codes, Ciphers, Secrets, and Cryptic Communication: Making and Breaking Secret Messages from Hieroglyphs to the Internet

Codes, Ciphers, Secrets, and Cryptic Communication: Making and Breaking Secret Messages from Hieroglyphs to the Internet

4.6
5,800 Fr
The Rose Code: A Novel Paperback – Deckle Edge, 9 March 2021

The Rose Code: A Novel Paperback – Deckle Edge, 9 March 2021

4.7
2,580 Fr
Codes and Ciphers - A History Of Cryptography

Codes and Ciphers - A History Of Cryptography

4.5
8,000 Fr
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

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

900 Fr
Codes and Ciphers: Clever Devices for Coding and Decoding to Cut Out and Make

Codes and Ciphers: Clever Devices for Coding and Decoding to Cut Out and Make

4.6
2,000 Fr
Codes, Ciphers and Other Cryptic and Clandestine Communication

Codes, Ciphers and Other Cryptic and Clandestine Communication

4.7
7,400 Fr
Wireless Networking: Introduction to Bluetooth and WiFi

Wireless Networking: Introduction to Bluetooth and WiFi

3.8
7,000 Fr
The Cryptoclub: Using Mathematics to Make and Break Secret Codes

The Cryptoclub: Using Mathematics to Make and Break Secret Codes

4.6
9,849 Fr
Games with Codes and Ciphers

Games with Codes and Ciphers

1,400 Fr
Coffee. Private Cipher Code

Coffee. Private Cipher Code

4,800 Fr
Telegraphic Cipher Code: Gerrish System

Telegraphic Cipher Code: Gerrish System

4,500 Fr
The Mirror Code: Breaking the Zodiac Killer Cipher Codes

The Mirror Code: Breaking the Zodiac Killer Cipher Codes

3,800 Fr
Private Telegraphic Cipher Code

Private Telegraphic Cipher Code

2,700 Fr
Introduction to Modern Cryptography

Introduction to Modern Cryptography

4.7
15,166 Fr
Black Hat Python, 2nd Edition: Python Programming for Hackers and Pentesters

Black Hat Python, 2nd Edition: Python Programming for Hackers and Pentesters

4.7
7,100 Fr
LeelineCipher Code Deposit Box Mechanical Wooden Model 3D Puzzle

LeelineCipher Code Deposit Box Mechanical Wooden Model 3D Puzzle

5,900 Fr
General Cipher Code

General Cipher Code

3,300 Fr
Introduction to Codes and Ciphers: Plus 20 Famous Unsolved Codes, Ciphers, and Mysterious Writings. Can You Solve Them?

Introduction to Codes and Ciphers: Plus 20 Famous Unsolved Codes, Ciphers, and Mysterious Writings. Can You Solve Them?

2,300 Fr
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

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

2,900 Fr
The Emperor's Code

The Emperor's Code

3,700 Fr
Spy Codes and Ciphers

Spy Codes and Ciphers

4,100 Fr
Unraveling the Zodiac Ciphers and Codes

Unraveling the Zodiac Ciphers and Codes

4,300 Fr
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

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

4,600 Fr
MUCHENGGIFT Da Vinci Code Mini Cryptex Valentine's Day Interesting Creative Romantic Birthday Gifts for Her

MUCHENGGIFT Da Vinci Code Mini Cryptex Valentine's Day Interesting Creative Romantic Birthday Gifts for Her

5
7,200 Fr
Explorer Academy: The Nebula Secret

Explorer Academy: The Nebula Secret

4.7
1,032 Fr
Atlas - the universal travellers' and tourists' telegraphic cipher code

Atlas - the universal travellers' and tourists' telegraphic cipher code

11,100 Fr
Code Cracking for Kids: Secret Communications Throughout History, with 21 Codes and Ciphers

Code Cracking for Kids: Secret Communications Throughout History, with 21 Codes and Ciphers

3,900 Fr
Uncracked Codes and Ciphers

Uncracked Codes and Ciphers

5,300 Fr
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

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

4,800 Fr
The Moscow Cipher Paperback – 31 May 2018

The Moscow Cipher Paperback – 31 May 2018

4.7
1,529 Fr
Codes and Ciphers: Clever Devices for Coding and Decoding to Cut Out and Make

Codes and Ciphers: Clever Devices for Coding and Decoding to Cut Out and Make

4.6
2,100 Fr
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

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

4,200 Fr