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Author: E a House
Publisher: Epic Escape
ISBN: 9781731645425
Category :
Languages : en
Pages : 184
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Book Description
Chris Kingsolver has always been especially close to his aunt Elsie and is heartbroken when she dies in a car accident. Elsie left Chris clues to the location of a lost treasure ship as an inheritance--if he, his cousin Carrie, and their new friend Maddison can find it. With the mysterious people stalking them, and the strange behavior of the new archivist, it may get difficult. Keyword Cypher is book #1 from Treasure Hunters, an EPIC Press series, a division of ABDO.
Author: E a House
Publisher: Epic Escape
ISBN: 9781731645425
Category :
Languages : en
Pages : 184
Get Book Here
Book Description
Chris Kingsolver has always been especially close to his aunt Elsie and is heartbroken when she dies in a car accident. Elsie left Chris clues to the location of a lost treasure ship as an inheritance--if he, his cousin Carrie, and their new friend Maddison can find it. With the mysterious people stalking them, and the strange behavior of the new archivist, it may get difficult. Keyword Cypher is book #1 from Treasure Hunters, an EPIC Press series, a division of ABDO.
Author: Janet Beissinger
Publisher: CRC Press
ISBN: 1498747760
Category : Mathematics
Languages : en
Pages : 216
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Book Description
Join the Cryptokids as they apply basic mathematics to make and break secret codes. This book has many hands-on activities that have been tested in both classrooms and informal settings. Classic coding methods are discussed, such as Caesar, substitution, Vigenère, and multiplicative ciphers as well as the modern RSA. Math topics covered include: - Addition and Subtraction with, negative numbers, decimals, and percentages - Factorization - Modular Arithmetic - Exponentiation - Prime Numbers - Frequency Analysis. The accompanying workbook, The Cryptoclub Workbook: Using Mathematics to Make and Break Secret Codes provides students with problems related to each section to help them master the concepts introduced throughout the book. A PDF version of the workbook is available at no charge on the download tab, a printed workbook is available for $19.95 (K00701). The teacher manual can be requested from the publisher by contacting the Academic Sales Manager, Susie Carlisle
Author: Alexander D'Agapeyeff
Publisher: Read Books Ltd
ISBN: 1473350913
Category : Computers
Languages : en
Pages : 153
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Book Description
This vintage book contains Alexander D’Agapeyeff’s famous 1939 work, Codes and Ciphers - A History of Cryptography. Cryptography is the employment of codes and ciphers to protect secrets, and it has a long and interesting history. This fantastic volume offers a detailed history of cryptography from ancient times to modernity, written by the Russian-born English cryptographer, Alexander D'Agapeyeff. The contents include: - The beginnings of Cryptography - From the Middle Ages Onwards - Signals, Signs, and Secret Languages - Commercial Codes - Military Codes and Ciphers - Types of Codes and Ciphers - Methods of Deciphering Many antiquarian texts such as this, especially those dating back to the 1900s and before, are increasingly hard to come by and expensive, and it is with this in mind that we are republishing this book now in an affordable, modern, high quality edition. It comes complete with a specially commissioned new biography of the author.
Author: Alex Hirsch
Publisher: Disney Electronic Content
ISBN: 1368017096
Category : Juvenile Fiction
Languages : en
Pages : 148
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Book Description
A collection of four all-new strange stories from the sleepy town of Gravity Falls in one original graphic novel. Written by Alex Hirsch. Illustrated by Asaf Hanuka, Dana Terrace, Ian Worrel, Jacob Chabot, Jim Campbell, Joe Pitt, Kyle Smeallie, Meredith Gran, Mike Holmes, Priscilla Tang, Serina Hernandez, Stephanie Ramirez, and Valerie Halla.
Author: Alex Hirsch
Publisher: Disney Press
ISBN: 9781368002509
Category : Juvenile Fiction
Languages : en
Pages : 0
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Book Description
Untie the string and unwrap the brown paper to reveal . . . Journal 3 Limited Edition! This 288-page book contains all of the content of the regular edition, plus all-new top-secret black light pages on real parchment; a cover with leather texture and shiny metallic pieces; a magnifying glass; a tassel bookmark; and removable photos and notes. This $150 limited edition will also include a signed note from the creator of Gravity Falls and co-writer of Journal 3, Alex Hirsch himself.
Author: James Patterson
Publisher: jimmy patterson
ISBN: 0316207551
Category : Juvenile Fiction
Languages : en
Pages : 368
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Book Description
Join the famous treasure-hunting Kidds on their first adventure ever! The #1 New York Times bestselling series from James Patterson is jam-packed with action, humor, and heart! The Kidd siblings have grown up diving down to shipwrecks and traveling the world, helping their famous parents recover everything from swords to gold doubloons from the bottom of the ocean. But when their parents disappear on the job, the kids are suddenly thrust into the biggest treasure hunt of their lives. They'll have to work together to defeat dangerous pirates and dodge the hot pursuit of an evil treasure hunting rival, all while following cryptic clues to unravel the mystery of what really happened to their parents—and find out if they're still alive.
Author: Abraham Sinkov
Publisher: MAA
ISBN: 9780883856475
Category : Business & Economics
Languages : en
Pages : 240
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Book Description
An introduction to the basic mathematical techniques involved in cryptanalysis.
Author: Al Sweigart
Publisher: No Starch Press
ISBN: 1593278225
Category : Computers
Languages : en
Pages : 419
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Book Description
Learn how to program in Python while making and breaking ciphers—algorithms used to create and send secret messages! After a crash course in Python programming basics, you’ll learn to make, test, and hack programs that encrypt text with classical ciphers like the transposition cipher and Vigenère cipher. You’ll begin with simple programs for the reverse and Caesar ciphers and then work your way up to public key cryptography, the type of encryption used to secure today’s online transactions, including digital signatures, email, and Bitcoin. Each program includes the full code and a line-by-line explanation of how things work. By the end of the book, you’ll have learned how to code in Python and you’ll have the clever programs to prove it! You’ll also learn how to: - Combine loops, variables, and flow control statements into real working programs - Use dictionary files to instantly detect whether decrypted messages are valid English or gibberish - Create test programs to make sure that your code encrypts and decrypts correctly - Code (and hack!) a working example of the affine cipher, which uses modular arithmetic to encrypt a message - Break ciphers with techniques such as brute-force and frequency analysis There’s no better way to learn to code than to play with real programs. Cracking Codes with Python makes the learning fun!
Author: E. A. House
Publisher: Epic Escape
ISBN: 9781680768763
Category : Juvenile Fiction
Languages : en
Pages : 184
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Book Description
"Chris Kingsolver has always been especially close to his aunt. He's heartbroken when she dies in a car accident--and shocked to get a coded letter in the mail after her death. Elsie left Chris clues to the location of a lost treasure ship as an inheritance--if he, his cousin Carrie, and their new friend Maddison can find it. But that might be difficult, what with the mysterious people stalking them, and the strange behavior of the new archivist. And was Aunt Elsie's death really an accident?" -- Page [4] cover.
Author: Jesus Barrasa
Publisher: "O'Reilly Media, Inc."
ISBN: 1098127072
Category : Computers
Languages : en
Pages : 291
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Book Description
Incredibly useful, knowledge graphs help organizations keep track of medical research, cybersecurity threat intelligence, GDPR compliance, web user engagement, and much more. They do so by storing interlinked descriptions of entities—objects, events, situations, or abstract concepts—and encoding the underlying information. How do you create a knowledge graph? And how do you move it from theory into production? Using hands-on examples, this practical book shows data scientists and data engineers how to build their own knowledge graphs. Authors Jesús Barrasa and Jim Webber from Neo4j illustrate common patterns for building knowledge graphs that solve many of today’s pressing knowledge management problems. You’ll quickly discover how these graphs become increasingly useful as you add data and augment them with algorithms and machine learning. Learn the organizing principles necessary to build a knowledge graph Explore how graph databases serve as a foundation for knowledge graphs Understand how to import structured and unstructured data into your graph Follow examples to build integration-and-search knowledge graphs Learn what pattern detection knowledge graphs help you accomplish Explore dependency knowledge graphs through examples Use examples of natural language knowledge graphs and chatbots Use graph algorithms and ML to gain insight into connected data
