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Author: Rose Sandy
Publisher: Silver Gravity Publishing
ISBN:
Category : Fiction
Languages : en
Pages : 388
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Book Description
200 years ago, Thomas J. Beale hid a treasure and wrote a cipher that has been unbreakable until today…that is until Calla Cress starts to read it. Now, some secrets are too dangerous to know. Nursing a past loss and failure, artifacts handler, codebreaker, and government agent, Calla Cress is framed for the disappearance and murder of the ISTF spy agency’s Chief of technology and science, her best friend, Jack Kleve. All is not as it seems. When she’s discredited and forced on the run, she travels to the African continent to find secrets her murdered friend wanted hidden, only to discover someone very dangerous betrayed him and is out for blood. Now she must follow Jack’s clues and an uncertain trail that leads her deeper into the dark territories of a vengeful enemy who will unleash hell on Earth, and has a dangerous plan for the Beale Ciphers unless she stops him. And wait, all before her government finds and prosecutes her. What readers say about the Calla Cress, Decrypter series: “Takes you on a ride and refuses to let you off until you reach the very end.” “A brilliant read! I recommend this to anyone who enjoys mystery, suspense, thrillers, or action novels. The detail is astounding! The historical references, location descriptions, references to technology, cryptography… this author really knows her stuff.” “An action-packed adventure, technothrillers across several continents like a Jason Bourne or James Bond movie, but with an actual storyline!” “Brilliantly written. I loved the very descriptive side, which was a good way of visualizing and getting to terms with each new place, as the action takes place in several different countries.”
Author: Rose Sandy
Publisher: Silver Gravity Publishing
ISBN:
Category : Fiction
Languages : en
Pages : 388
Get Book Here
Book Description
200 years ago, Thomas J. Beale hid a treasure and wrote a cipher that has been unbreakable until today…that is until Calla Cress starts to read it. Now, some secrets are too dangerous to know. Nursing a past loss and failure, artifacts handler, codebreaker, and government agent, Calla Cress is framed for the disappearance and murder of the ISTF spy agency’s Chief of technology and science, her best friend, Jack Kleve. All is not as it seems. When she’s discredited and forced on the run, she travels to the African continent to find secrets her murdered friend wanted hidden, only to discover someone very dangerous betrayed him and is out for blood. Now she must follow Jack’s clues and an uncertain trail that leads her deeper into the dark territories of a vengeful enemy who will unleash hell on Earth, and has a dangerous plan for the Beale Ciphers unless she stops him. And wait, all before her government finds and prosecutes her. What readers say about the Calla Cress, Decrypter series: “Takes you on a ride and refuses to let you off until you reach the very end.” “A brilliant read! I recommend this to anyone who enjoys mystery, suspense, thrillers, or action novels. The detail is astounding! The historical references, location descriptions, references to technology, cryptography… this author really knows her stuff.” “An action-packed adventure, technothrillers across several continents like a Jason Bourne or James Bond movie, but with an actual storyline!” “Brilliantly written. I loved the very descriptive side, which was a good way of visualizing and getting to terms with each new place, as the action takes place in several different countries.”
Author: Simon Singh
Publisher: Delacorte Press
ISBN: 0375890122
Category : Young Adult Nonfiction
Languages : en
Pages : 274
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Book Description
"As gripping as a good thriller." --The Washington Post Unpack the science of secrecy and discover the methods behind cryptography--the encoding and decoding of information--in this clear and easy-to-understand young adult adaptation of the national bestseller that's perfect for this age of WikiLeaks, the Sony hack, and other events that reveal the extent to which our technology is never quite as secure as we want to believe. Coders and codebreakers alike will be fascinated by history's most mesmerizing stories of intrigue and cunning--from Julius Caesar and his Caeser cipher to the Allies' use of the Enigma machine to decode German messages during World War II. Accessible, compelling, and timely, The Code Book is sure to make readers see the past--and the future--in a whole new way. "Singh's power of explaining complex ideas is as dazzling as ever." --The Guardian
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: Rose Sandy
Publisher: Silver Gravity Publishing
ISBN:
Category : Fiction
Languages : en
Pages : 366
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Book Description
The lost city of Atlantis of the Sands: real or myth? Calla Cress is a top-notch spy for the International Security and Treaty Force (ISTF), but her latest mission hits close to home. She's been tasked with finding a missing museum curator, Dr. Octavia Steward, who just happens to be Calla's former archaeology professor. But when Calla begins to investigate, she quickly realizes there's more at stake than the curator's disappearance. Octavia has disappeared with classified information on the lost City of Atlantis of the Sands, a city rumored to hold secrets and powerful artifacts that could be used for mankind's benefit or destruction. As Calla delves deeper into the case, she finds herself in the middle of a web of lies and betrayal and becomes a target for those who will stop at nothing to keep their secrets hidden. With the help of her fellow agents and her archaeological expertise, Calla must use all of her training and cunning to uncover the truth and save the day. Uncover a world of espionage and danger in this must-read thriller that fans of Daniel Silva, Jason Bourne, Steve Berry, and Scott Mariani will love
Author: Rose Sandy
Publisher: Silver Gravity Publishing
ISBN:
Category : Fiction
Languages : en
Pages : 488
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Book Description
In Renaissance Venice, a manuscript in an unknown language was left in a confessional booth in Saint Marks’ Basillica. No one has cracked the code in centuries. Nearly eight hundred years later, ISTF, a covert government organization, is about to decrypt the manuscript’s explosive secret. London, the present. When her parents left her in a foster home as an infant, something in Calla Cress broke. An expert in ancient symbols, and a master code breaker, Calla should consider herself lucky. Most twenty-eight-year-olds don’t land big dream jobs at the British Museum or decipher secret codes for the government. Now she’s asked to decipher a cryptic Renaissance manuscript at an international museum in Berlin. When the manuscript is stolen, Calla, NSA agent Nash Shields and tech entrepreneur Jack Kleve race to decode the mystery of its origin—before it’s too late. Calla uncovers an ancient secret and suspects that there’s more to her parents’ disappearance than meets the eye. Armed with clues to the manuscript’s true intent, what she discovers further puts her in the crosshairs of an enemy’s gunfire. At every turn, Calla is drawn deep into an ancient web of conspiracies and secrets that may have been dormant for centuries. Ancient history meets cutting-edge high tech in an action-packed, smart thriller with a unique quest guaranteed to keep you guessing—and sticking with characters after you finish reading. If you like Steve Berry, James Bond with a dash of The Matrix you'll find this thriller hard to put down. What readers are saying about The Decrypter Series and Calla Cress. ★★★★★ “An action-packed techno-thriller that reveals a dark future where hacking occurs at the speed of thought.” ★★★★★ “A fast-paced thriller with twists and turns that will hopefully keep you up well past your bedtime.” ★★★★★ “A story of technology, hacking, and codes.” ★★★★★ “In a race against time, Calla and her team must decipher history’s greatest anagram.” ★★★★★ “Delivers a thrilling mystery for fans of Dan Brown.”
Author: ANONYMOUS
Publisher: THE PUBLISHER
ISBN:
Category : Social Science
Languages : en
Pages : 50
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Book Description
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: Rose Sandy
Publisher: Silver Gravity Publishing
ISBN:
Category : Fiction
Languages : en
Pages : 470
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Book Description
The NSA, the British government, and a group of darknet hackers are after one of the most dangerous lists ever created—a list that, if it falls into the wrong hands, will be used against them all. When the British prime minister's private accounts are hacked, museum curator-turned-cyber-defense agent Calla Cress is called on to decrypt a mysterious cipher left in the prime minister's home. Soon a series of encrypted ciphers surfaces on a darknet site, the Vault, whose inception is steeped in the mysterious history of the Maltese Knights. As Calla gets closer to not only unearthing the Vault's interlaced web of secrets but also discovering the identities of the darknet masters, she learns that technologies aren’t the only thing they intend to auction. The Decrypter: Digital Eyes Only is Book 3 in the Calla Cress Technothriller series but can be read as a stand-alone story. What readers are saying about The Decrypter series and Calla Cress: ★★★★★ “Full of twists and excitement to the last page.” ★★★★★ “Gripping read!” ★★★★★ “Absolutely brilliant storyline.” ★★★★★ “Engaging and well-plotted with a pace that keeps you reading long into the night. The characters are fun to follow and the protagonist, Calla, is a great mix of smart, talented, and vulnerable.” ★★★★★ “An amazing read! It was the perfect balance of technology, romance, and suspense. I wasn't bored for one second; I couldn't put it down!” ★★★★★ “Impossible to predict where the story will lead.”
Author: Rose Sandy
Publisher: Silver Gravity Publishing
ISBN:
Category : Fiction
Languages : en
Pages : 487
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Book Description
Calla Cress took down the world’s most dangerous man. She made one mistake, she let him live. When a billionaire, once the British Secret Service’s most brilliant code breaker, uses his vast resources to lure the world’s top minds into his prison cell, they leave in a coma, and seconds later, a virus attacks government systems. An explosion rips through a guarded safe house in Colorado. British Museum curator turned undercover government agent Calla Cress wakes up halfway across the world at the whim of a powerful, unidentified organization demanding she produces the whereabouts of a missing MI6 agent who can disarm the billionaire’s hacks. Powerful people are prepared to kill to obtain the cryptic secret the agent kept. Now the only person who can unpick the billionaire’s hacks is a stranger who’s been missing for 30 years and whose cryptic secrets may prove fatal to his cause. With only a handful of clues left in a mysterious sixteenth-century anagram encrypted with a sequence of codes, Calla, NSA security advisor Nash Shields and tech entrepreneur Jack Kleve are thrust in a dangerous race across the globe. Calla realizes she has to complete a mission that will shape the world’s fate and is led back in time. With each haunting revelation, they dodge sniper bullets and soon realize the key to disarming the hacks comes at an astonishing price. Calla needs to find the person, once a part of the secret service, a stranger who may just be someone who’s known Calla all her life. Thrilling, The Decrypter and the Mind Hacker is a heart-stopping, high-paced adventure taking readers from the sunlit streets of modern-day Greece to the shadowy mountains of Colorado. The Decrypter and the Mind Hacker is a must-read for Dan Brown, Clive Cussler, and Robert Ludlum fans. It is book 2 in the Calla Cress Thriller Series. What readers are saying about The Decrypter Series: ★★★★★ “Gripping read!” ★★★★★ “Absolutely brilliant storyline. After reading book one I just had to get into book two.” ★★★★★"Takes you on a ride and refuses to let you off until you reach the very end." ★★★★★"A brilliant read! I recommend this to anyone who enjoys mystery, suspense, thrillers, or action novels. The detail is astounding! The historic references, location descriptions, references to technology, cryptography....this author really knows her stuff." ★★★★★"An action-packed adventure, techno-thriller across several continents like a Jason Bourne or James Bond movie, but with an actual storyline!" ★★★★★"Brilliantly written. I loved the very descriptive side, which was a good way of visualizing and getting to terms with each new place, as the action takes place in several different countries." Read less
Author: Rose Sandy
Publisher: Silver Gravity Publishing
ISBN:
Category : Fiction
Languages : en
Pages : 430
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Book Description
An international team of scientists is sent to an abandoned island to investigate a mysterious technology, only to face a terrifying discovery that defies imagination. Calla Cress is charged with protecting Britain’s national treasures from cyber and science threats. But her latest assignment takes her down an unexpected path. Something strange is happening in the skies and the US and British governments have taken notice – something that may be connected to another mystery, one that was classified thirty-five years ago: An abandoned research facility on an uninhabited island is somehow controlling the weather. But no one's there…yet something inexplicable is running within its walls, and Calla herself will soon be forced to confront her darkest self. This fast-paced cyber-thriller will keep you on the edge of your seat as you race through its pages for answers about this uncanny technology and its origins that are as shocking as they are chilling! The Decrypter: The Storm’s Eye is Book 4 in the Calla Cress Technothriller series but can be read as a stand-alone story. What readers are saying about The Decrypter Series and Calla Cress: ★★★★★ “Fast-moving, exciting look at the possibilities of technology, peppered with just the right amount of science. I honestly couldn't put the book down.” ★★★★★ “Has everything I look for in a good read: plot, characters, and pace.” ★★★★★ “An imaginative thriller with a great plot and unforgettable characters.”
