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🏛️ Classical Ciphers

The ingenious codes and encryption methods of pre-digital eras, from Caesar shifts to Vigenère squares — where secrecy was an art of pen, paper, and cunning.
The Codebreakers
by David Kahn • 1967
The hidden art that read the minds of kings, generals, and spies across four millennia.
4.18
2k+
🔐 History Of Cryptology🔍 Codebreaking📡 Signals Intelligence
The Codebreakers Summary
The Codebreakers 91%
The hidden art that read the minds of kings, generals, and spies across four millennia.
by David Kahn 1967
4.18
2k+ ratings
🔐 History Of Cryptology🔍 Codebreaking📡 Signals Intelligence
The Code Book
by Simon Singh • 1999
Wars, empires, and the internet all turn on one ancient problem: how to keep a secret.
4.30
29k+
🔐 History Of Cryptography🔓 Codebreaking🕵️ Wwii Intelligence
The Code Book Summary
The Code Book 91%
Wars, empires, and the internet all turn on one ancient problem: how to keep a secret.
by Simon Singh 1999
4.30
29k+ ratings
🔐 History Of Cryptography🔓 Codebreaking🕵️ Wwii Intelligence
Cryptography
by Fred C. Piper • 2002
A concise guide to the ciphers, keys, and math problems that secure every digital transaction.
3.56
506
🔐 Cryptography Fundamentals🔑 Public Key Cryptography⚙️ Cipher Design
Cryptography Summary
Cryptography 90%
A concise guide to the ciphers, keys, and math problems that secure every digital transaction.
by Fred C. Piper 2002
3.56
506 ratings
🔐 Cryptography Fundamentals🔑 Public Key Cryptography⚙️ Cipher Design
The GCHQ Puzzle Book
by GCHQ • 2019
A spy agency's Christmas card puzzle drew half a million solvers. Their full vault is open.
4.02
402
🔐 Cryptography🔓 Codebreaking🧩 Logic Puzzles
The GCHQ Puzzle Book Summary
The GCHQ Puzzle Book 89%
A spy agency's Christmas card puzzle drew half a million solvers. Their full vault is open.
by GCHQ 2019
4.02
402 ratings
🔐 Cryptography🔓 Codebreaking🧩 Logic Puzzles
Cryptography
by Keith M. Martin • 2020
Your digital life depends on secret math. Who should be able to break it?
3.96
174
🔒 Digital Security🔐 Encryption👁️ Digital Privacy
Cryptography Summary
Cryptography 89%
Your digital life depends on secret math. Who should be able to break it?
by Keith M. Martin 2020
3.96
174 ratings
🔒 Digital Security🔐 Encryption👁️ Digital Privacy
Code Warriors
by Stephen Budiansky • 2016
Math, machines, and moral compromise: the NSA's secret Cold War against the Soviets.
3.72
760
🕵️ Cold War Intelligence🔑 Codebreaking History📡 Signals Intelligence
Code Warriors Summary
Code Warriors 88%
Math, machines, and moral compromise: the NSA's secret Cold War against the Soviets.
by Stephen Budiansky 2016
3.72
760 ratings
🕵️ Cold War Intelligence🔑 Codebreaking History📡 Signals Intelligence
Information Theory, Coding and Crytography
by Ranjan Bose • 2002
Entropy sets the limit. Coding reaches it. Cryptography locks it. One textbook covers all three.
3.75
162
🧠 Information Theory🔢 Coding Theory🔐 Cryptography
Information Theory, Coding and Crytography Summary
Information Theory, Coding and Crytography 88%
Entropy sets the limit. Coding reaches it. Cryptography locks it. One textbook covers all three.
by Ranjan Bose 2002
3.75
162 ratings
🧠 Information Theory🔢 Coding Theory🔐 Cryptography
The Holy Place
by Henry Lincoln • 1991
Decoding a priest's hidden messages reveals the French countryside is a vast geometric temple.
3.58
156
📐 Sacred Geometry🌍 Earth Mysteries🔑 Ciphers And Codes
The Holy Place Summary
The Holy Place 87%
Decoding a priest's hidden messages reveals the French countryside is a vast geometric temple.
by Henry Lincoln 1991
3.58
156 ratings
📐 Sacred Geometry🌍 Earth Mysteries🔑 Ciphers And Codes
The Woman All Spies Fear
by Amy Butler Greenfield • 2021
She cracked Nazi spy rings and sank Prohibition crime empires. The government erased her name.
4.19
2k+
🧩 Codebreaking History🕵️ Women In Intelligence🔐 Cryptanalysis
The Woman All Spies Fear Summary
The Woman All Spies Fear 87%
She cracked Nazi spy rings and sank Prohibition crime empires. The government erased her name.
by Amy Butler Greenfield 2021
4.19
2k+ ratings
🧩 Codebreaking History🕵️ Women In Intelligence🔐 Cryptanalysis
Linguistic Fingerprints
by Roger J. Kreuz • 2023
The hidden patterns in your words identify you better than fingerprints: stylometry reads them.
3.50
20
🗣️ Linguistic Identity📊 Stylometry🔍 Forensic Linguistics
Linguistic Fingerprints Summary
Linguistic Fingerprints 87%
The hidden patterns in your words identify you better than fingerprints: stylometry reads them.
by Roger J. Kreuz 2023
3.50
20 ratings
🗣️ Linguistic Identity📊 Stylometry🔍 Forensic Linguistics
Tacitus' Annals
by Ronald Mellor • 2010
Tacitus turned history into a mirror for tyrants. Here is how to read his darkest masterpiece.
4.21
24
🏛️ Ancient Rome📜 Classical Literature🏺 Roman Historiography
Tacitus' Annals Summary
Tacitus' Annals 87%
Tacitus turned history into a mirror for tyrants. Here is how to read his darkest masterpiece.
by Ronald Mellor 2010
4.21
24 ratings
🏛️ Ancient Rome📜 Classical Literature🏺 Roman Historiography
Morals and Dogma of the Ancient and Accepted Scottish Rite of Freemasonry
by Albert Pike • 1871
Freemasonry's symbols carry an ancient philosophy of power and freedom that the Mysteries taught.
4.14
1k+
🏛️ Esoteric Philosophy🧱 Masonic Tradition📜 Western Esotericism
Morals and Dogma of the Ancient and Accepted Scottish Rite of Freemasonry Summary
Morals and Dogma of the Ancient and Accepted Scottish Rite of Freemasonry 87%
Freemasonry's symbols carry an ancient philosophy of power and freedom that the Mysteries taught.
by Albert Pike 1871
4.14
1k+ ratings
🏛️ Esoteric Philosophy🧱 Masonic Tradition📜 Western Esotericism
Fermat's Enigma
by Simon Singh • 1998
150 years, countless geniuses, one unproven hunch about primes, and a million dollars waiting.
4.3
34k+
🔢 Prime Numbers📜 History Of Mathematics❓ Unsolved Problems
Fermat's Enigma Summary
Fermat's Enigma 87%
150 years, countless geniuses, one unproven hunch about primes, and a million dollars waiting.
by Simon Singh 1998
4.3
34k+ ratings
🔢 Prime Numbers📜 History Of Mathematics❓ Unsolved Problems
Decoding the Heavens
by Jo Marchant • 2009
Sponge divers pulled a 2,000-year-old computer from the sea. Decoding its gears took a century.
4.10
566
🏛️ Ancient Technology🔍 Archaeological Mysteries🌌 History Of Astronomy
Decoding the Heavens Summary
Decoding the Heavens 87%
Sponge divers pulled a 2,000-year-old computer from the sea. Decoding its gears took a century.
by Jo Marchant 2009
4.10
566 ratings
🏛️ Ancient Technology🔍 Archaeological Mysteries🌌 History Of Astronomy
The Iliad / The Odyssey
by Homer
We know nothing of Homer. So his epics became a mirror every civilization fills with itself.
4.07
84k+
🏛️ Classical Reception📚 Western Canon🌐 Translation Studies
The Iliad / The Odyssey Summary
The Iliad / The Odyssey 87%
We know nothing of Homer. So his epics became a mirror every civilization fills with itself.
by Homer
4.07
84k+ ratings
🏛️ Classical Reception📚 Western Canon🌐 Translation Studies
Men of Mathematics
by Eric Temple Bell • 1937
From Descartes to Cantor, the story of mathematics is one of obsession and early graves.
4.10
2k+
📐 History Of Mathematics📖 Mathematical Biography🧮 Popular Mathematics
Men of Mathematics Summary
Men of Mathematics 87%
From Descartes to Cantor, the story of mathematics is one of obsession and early graves.
by Eric Temple Bell 1937
4.10
2k+ ratings
📐 History Of Mathematics📖 Mathematical Biography🧮 Popular Mathematics
The Symbolism of Freemasonry
by Albert G. MacKey • 1994
The tools, floor plans, and acacia sprigs: how Masonry encodes its moral philosophy in symbol.
3.69
639
🧱 Masonic Studies🏛️ Western Esotericism🔣 Symbolic Interpretation
The Symbolism of Freemasonry Summary
The Symbolism of Freemasonry 86%
The tools, floor plans, and acacia sprigs: how Masonry encodes its moral philosophy in symbol.
by Albert G. MacKey 1994
3.69
639 ratings
🧱 Masonic Studies🏛️ Western Esotericism🔣 Symbolic Interpretation
The Gallic War
by Gaius Julius Caesar
Caesar's own account of conquering Gaul. Every victory was ammunition for the political war ahead.
4.02
14k+
🗡️ Ancient Warfare🏛️ Late Republic🏰 Siege Warfare
The Gallic War Summary
The Gallic War 86%
Caesar's own account of conquering Gaul. Every victory was ammunition for the political war ahead.
by Gaius Julius Caesar
4.02
14k+ ratings
🗡️ Ancient Warfare🏛️ Late Republic🏰 Siege Warfare
Classical Music for Dummies
by David Pogue • 1997
From plainchant to Stravinsky: how classical music works, what to listen for, and when to clap.
3.95
650
🎻 Classical Music🎧 Listening Guides🏛️ Music History
Classical Music for Dummies Summary
Classical Music for Dummies 86%
From plainchant to Stravinsky: how classical music works, what to listen for, and when to clap.
by David Pogue 1997
3.95
650 ratings
🎻 Classical Music🎧 Listening Guides🏛️ Music History
The Bible Code
by Michael Drosnin • 1997
Genesis skip-code: assassins named, wars dated, atomic fire foretold. Math says it's no accident.
2.88
2k+
🕵️ Hidden Knowledge📖 Biblical Prophecy🔐 Coded Messages
The Bible Code Summary
The Bible Code 86%
Genesis skip-code: assassins named, wars dated, atomic fire foretold. Math says it's no accident.
by Michael Drosnin 1997
2.88
2k+ ratings
🕵️ Hidden Knowledge📖 Biblical Prophecy🔐 Coded Messages
Unknown Quantity
by John Derbyshire • 2006
Babylonians used algebra to measure grain. Four thousand years later, it described reality itself.
3.90
770
🧮 History Of Mathematics🏛️ Ancient Mathematics📜 Medieval Scholarship
Unknown Quantity Summary
Unknown Quantity 86%
Babylonians used algebra to measure grain. Four thousand years later, it described reality itself.
by John Derbyshire 2006
3.90
770 ratings
🧮 History Of Mathematics🏛️ Ancient Mathematics📜 Medieval Scholarship
Can You Solve My Problems?
by Alex Bellos • 2016
A wolf, a goat, a cabbage, and the puzzles that teach you to think in proofs.
4.03
387
🧩 Recreational Mathematics📚 Puzzle Collections🧠 Mathematical Thinking
Can You Solve My Problems? Summary
Can You Solve My Problems? 86%
A wolf, a goat, a cabbage, and the puzzles that teach you to think in proofs.
by Alex Bellos 2016
4.03
387 ratings
🧩 Recreational Mathematics📚 Puzzle Collections🧠 Mathematical Thinking
Quantum Computing
by Brian Clegg • 2021
Online encryption relies on math no classical computer can crack. Quantum ones do it instantly.
3.64
306
🧪 Quantum Physics💾 Computing History⚛️ Quantum Computing
Quantum Computing Summary
Quantum Computing 86%
Online encryption relies on math no classical computer can crack. Quantum ones do it instantly.
by Brian Clegg 2021
3.64
306 ratings
🧪 Quantum Physics💾 Computing History⚛️ Quantum Computing
Identity and Data Security for Web Development
by Jonathan LeBlanc • 2016
Assume the database will be breached: the encryption, authentication, and UX tradeoffs worth making.
3.33
43
🔒 Web Security🔐 Applied Cryptography🔑 Authentication Systems
Identity and Data Security for Web Development Summary
Identity and Data Security for Web Development 86%
Assume the database will be breached: the encryption, authentication, and UX tradeoffs worth making.
by Jonathan LeBlanc 2016
3.33
43 ratings
🔒 Web Security🔐 Applied Cryptography🔑 Authentication Systems
CEH Certified Ethical Hacker All-in-One Exam Guide
by Matt Walker • 2011
A prep guide that turns ethical hacking exam objectives into hands-on attack and defense skills.
3.97
297
🕵️ Ethical Hacking🎯 Penetration Testing🌐 Network Security
CEH Certified Ethical Hacker All-in-One Exam Guide Summary
CEH Certified Ethical Hacker All-in-One Exam Guide 86%
A prep guide that turns ethical hacking exam objectives into hands-on attack and defense skills.
by Matt Walker 2011
3.97
297 ratings
🕵️ Ethical Hacking🎯 Penetration Testing🌐 Network Security
Classical Rhetoric for the Modern Student
by Edward P.J. Corbett • 1965
Five steps, three appeals, one ancient toolkit that still wins arguments and moves audiences.
4.18
430
📜 Classical Rhetoric✍️ Persuasive Writing🗣️ Argumentation
Classical Rhetoric for the Modern Student Summary
Classical Rhetoric for the Modern Student 86%
Five steps, three appeals, one ancient toolkit that still wins arguments and moves audiences.
by Edward P.J. Corbett 1965
4.18
430 ratings
📜 Classical Rhetoric✍️ Persuasive Writing🗣️ Argumentation
Vector
by Robyn Arianrhod • 2024
Your GPS and AI depend on a 19th-century algebra that broke the rules of arithmetic.
4.05
163
🧮 History Of Mathematics⚛️ Mathematical Physics🔭 History Of Physics
Vector Summary
Vector 86%
Your GPS and AI depend on a 19th-century algebra that broke the rules of arithmetic.
by Robyn Arianrhod 2024
4.05
163 ratings
🧮 History Of Mathematics⚛️ Mathematical Physics🔭 History Of Physics
Are Numbers Real?
by Brian Clegg • 2016
Invented to count goats, numbers now predict black holes. A history of math's grip on reality.
3.57
288
📜 History Of Mathematics📐 Popular Mathematics🔢 History Of Numbers
Are Numbers Real? Summary
Are Numbers Real? 86%
Invented to count goats, numbers now predict black holes. A history of math's grip on reality.
by Brian Clegg 2016
3.57
288 ratings
📜 History Of Mathematics📐 Popular Mathematics🔢 History Of Numbers
Gods and Robots
by Adrienne Mayor • 2018
Ancient Greeks imagined robots, AI, and the ethics we still wrestle with, long before the tech.
3.73
718
🏛️ Classical Mythology⚙️ Ancient Technology🤖 Ancient Robots
Gods and Robots Summary
Gods and Robots 86%
Ancient Greeks imagined robots, AI, and the ethics we still wrestle with, long before the tech.
by Adrienne Mayor 2018
3.73
718 ratings
🏛️ Classical Mythology⚙️ Ancient Technology🤖 Ancient Robots
The Children of Athena. Greek Intellectuals in the Age of Rome
by Charles Freeman • 2023
Rome ruled, but Greek thinkers kept advancing philosophy, science, and medicine for 500 years.
3.98
82
🧠 Intellectual History🏛️ Ancient Greece⚔️ Roman Empire
The Children of Athena. Greek Intellectuals in the Age of Rome Summary
The Children of Athena. Greek Intellectuals in the Age of Rome 86%
Rome ruled, but Greek thinkers kept advancing philosophy, science, and medicine for 500 years.
by Charles Freeman 2023
3.98
82 ratings
🧠 Intellectual History🏛️ Ancient Greece⚔️ Roman Empire
El infinito en un junco
by Irene Vallejo • 2019
Papyrus rots. Libraries burn. The improbable survival story of the books you still read.
4.24
27k+
📚 Book History🏛️ Ancient Libraries✍️ Writing Systems
El infinito en un junco Summary
El infinito en un junco 86%
Papyrus rots. Libraries burn. The improbable survival story of the books you still read.
by Irene Vallejo 2019
4.24
27k+ ratings
📚 Book History🏛️ Ancient Libraries✍️ Writing Systems
The Little Book of Mathematical Principles, Theories & Things
by Robert Solomon • 2008
A compact tour through math's biggest ideas: zero, infinity, and the proof that broke mathematics.
3.97
438
🏛️ History Of Mathematics📐 Math Primers🧱 Mathematical Foundations
The Little Book of Mathematical Principles, Theories & Things Summary
The Little Book of Mathematical Principles, Theories & Things 86%
A compact tour through math's biggest ideas: zero, infinity, and the proof that broke mathematics.
by Robert Solomon 2008
3.97
438 ratings
🏛️ History Of Mathematics📐 Math Primers🧱 Mathematical Foundations
A Beautiful Question
by Frank Wilczek • 2015
From Pythagoras to quantum theory, a Nobel laureate shows beauty was always the compass of physics.
3.87
2k+
🧠 Theoretical Physics🔬 Philosophy Of Science🔄 Symmetry In Nature
A Beautiful Question Summary
A Beautiful Question 86%
From Pythagoras to quantum theory, a Nobel laureate shows beauty was always the compass of physics.
by Frank Wilczek 2015
3.87
2k+ ratings
🧠 Theoretical Physics🔬 Philosophy Of Science🔄 Symmetry In Nature
The Theory That Would Not Die
by Sharon Bertsch McGrayne • 2011
Statisticians said it was dead. Turing used it to crack Enigma. Computers made it unstoppable.
3.77
3k+
🧮 Bayesian Statistics📜 History Of Mathematics🎲 Probability Theory
The Theory That Would Not Die Summary
The Theory That Would Not Die 86%
Statisticians said it was dead. Turing used it to crack Enigma. Computers made it unstoppable.
by Sharon Bertsch McGrayne 2011
3.77
3k+ ratings
🧮 Bayesian Statistics📜 History Of Mathematics🎲 Probability Theory
Ancient Philosophy
by Anthony Kenny • 2004
The questions the ancient Greeks asked still define philosophy, and still resist easy answers.
3.95
580
🏛️ Classical Philosophy📜 History Of Philosophy🧠 Metaphysics
Ancient Philosophy Summary
Ancient Philosophy 86%
The questions the ancient Greeks asked still define philosophy, and still resist easy answers.
by Anthony Kenny 2004
3.95
580 ratings
🏛️ Classical Philosophy📜 History Of Philosophy🧠 Metaphysics
Kybalion
by Three Initiates • 1912
From gold trinkets to the Aegina marbles: how Greek sculptors learned to make stone breathe.
4.23
17k+
🗿 Greek Sculpture🏛️ Ancient Greece🎭 Myth In Art
Kybalion Summary
Kybalion 86%
From gold trinkets to the Aegina marbles: how Greek sculptors learned to make stone breathe.
by Three Initiates 1912
4.23
17k+ ratings
🗿 Greek Sculpture🏛️ Ancient Greece🎭 Myth In Art
What's the Use?
by Ian Stewart • 2021
Kidney matches, secure websites, movie animation: the invisible math that built the modern world.
3.54
175
📐 Applied Mathematics📊 Mathematical Modeling🔍 Hidden Mathematics
What's the Use? Summary
What's the Use? 86%
Kidney matches, secure websites, movie animation: the invisible math that built the modern world.
by Ian Stewart 2021
3.54
175 ratings
📐 Applied Mathematics📊 Mathematical Modeling🔍 Hidden Mathematics
Eleventh Hour CISSP®
by Joshua Feldman • 2016
CISSP domains turned into principles and formulas you can recall cold in the final hours.
4.25
494
🔒 Information Security📜 Certification Prep🛡️ Security Management
Eleventh Hour CISSP® Summary
Eleventh Hour CISSP® 86%
CISSP domains turned into principles and formulas you can recall cold in the final hours.
by Joshua Feldman 2016
4.25
494 ratings
🔒 Information Security📜 Certification Prep🛡️ Security Management
Ancient Philosophy
by Julia Annas • 2001
Why ancient ideas about happiness, knowledge, and nature still challenge our modern assumptions.
3.64
853
🏛️ Ancient Ethics📜 Hellenistic Philosophy🌿 Virtue Ethics
Ancient Philosophy Summary
Ancient Philosophy 86%
Why ancient ideas about happiness, knowledge, and nature still challenge our modern assumptions.
by Julia Annas 2001
3.64
853 ratings
🏛️ Ancient Ethics📜 Hellenistic Philosophy🌿 Virtue Ethics
Words Like Loaded Pistols
by Sam Leith • 2011
Rhetoric built and toppled civilizations, and its ancient rules still run every ad you see.
3.75
2k+
🏛️ Classical Rhetoric🔧 Rhetorical Devices🎤 Speechwriting
Words Like Loaded Pistols Summary
Words Like Loaded Pistols 86%
Rhetoric built and toppled civilizations, and its ancient rules still run every ad you see.
by Sam Leith 2011
3.75
2k+ ratings
🏛️ Classical Rhetoric🔧 Rhetorical Devices🎤 Speechwriting
Prime Obsession
by John Derbyshire • 2003
A conjecture from 1859 ties prime numbers to quantum energy levels. The proof is still missing.
4.15
4k+
🔢 Number Theory❓ Unsolved Problems📜 History Of Mathematics
Prime Obsession Summary
Prime Obsession 86%
A conjecture from 1859 ties prime numbers to quantum energy levels. The proof is still missing.
by John Derbyshire 2003
4.15
4k+ ratings
🔢 Number Theory❓ Unsolved Problems📜 History Of Mathematics
The Cuckoo's Egg
by Clifford Stoll • 1989
A 75-cent error, a pager, one astronomer chasing a KGB spy through military networks.
4.28
16k+
🛡️ Cybersecurity🕵️ Cold War Espionage🔍 Digital Forensics
The Cuckoo's Egg Summary
The Cuckoo's Egg 86%
A 75-cent error, a pager, one astronomer chasing a KGB spy through military networks.
by Clifford Stoll 1989
4.28
16k+ ratings
🛡️ Cybersecurity🕵️ Cold War Espionage🔍 Digital Forensics
Symmetry
by Marcus du Sautoy • 2007
Symmetry is not just pretty. It solves equations, builds viruses, and corrects your text messages.
3.82
857
📐 Popular Mathematics🔷 Mathematical Symmetry📜 Science History
Symmetry Summary
Symmetry 86%
Symmetry is not just pretty. It solves equations, builds viruses, and corrects your text messages.
by Marcus du Sautoy 2007
3.82
857 ratings
📐 Popular Mathematics🔷 Mathematical Symmetry📜 Science History
The Ten Books on Architecture
by Vitruvius
The ancient blueprint behind Western architecture: from human proportion to war machines.
4.04
3k+
📖 Architectural Theory🗿 Classical Orders🧱 Building Materials
The Ten Books on Architecture Summary
The Ten Books on Architecture 86%
The ancient blueprint behind Western architecture: from human proportion to war machines.
by Vitruvius
4.04
3k+ ratings
📖 Architectural Theory🗿 Classical Orders🧱 Building Materials
The Rhetoric & The Poetics of Aristotle
by Aristotle
Persuasion is a system, not a gift: the rules for character, emotion, and logical proof.
4.00
2k+
🏛️ Classical Rhetoric📜 Literary Theory🏺 Greek Philosophy
The Rhetoric & The Poetics of Aristotle Summary
The Rhetoric & The Poetics of Aristotle 86%
Persuasion is a system, not a gift: the rules for character, emotion, and logical proof.
by Aristotle
4.00
2k+ ratings
🏛️ Classical Rhetoric📜 Literary Theory🏺 Greek Philosophy
Eureka!
by Peter V. Jones • 2014
Never a nation, always a competition. The story of ancient Greece that skips the boring parts.
3.53
445
🏛️ Ancient Greece📚 Popular History⚡ Greek Mythology
Eureka! Summary
Eureka! 86%
Never a nation, always a competition. The story of ancient Greece that skips the boring parts.
by Peter V. Jones 2014
3.53
445 ratings
🏛️ Ancient Greece📚 Popular History⚡ Greek Mythology
Dark Wire
by Joseph Cox • 2024
The FBI secretly ran the encrypted phone company that criminals trusted, and read every message.
3.98
3k+
🕵️ Organized Crime🔐 Encryption🎣 Sting Operations
Dark Wire Summary
Dark Wire 86%
The FBI secretly ran the encrypted phone company that criminals trusted, and read every message.
by Joseph Cox 2024
3.98
3k+ ratings
🕵️ Organized Crime🔐 Encryption🎣 Sting Operations
The Greatest Invention
by Silvia Ferrara • 2019
Writing wasn't born to count grain. It began with puns, and nine ancient scripts show why.
3.44
739
🏺 Origins Of Writing📜 Ancient Scripts🔍 Linguistic Decipherment
The Greatest Invention Summary
The Greatest Invention 86%
Writing wasn't born to count grain. It began with puns, and nine ancient scripts show why.
by Silvia Ferrara 2019
3.44
739 ratings
🏺 Origins Of Writing📜 Ancient Scripts🔍 Linguistic Decipherment
CISSP All-in-One Exam Guide
by Shon Harris • 2001
All ten CISSP domains in one guide: what you need for the exam and the job.
4.10
927
🔓 Information Security📜 Cybersecurity Certification🏛️ Security Governance
CISSP All-in-One Exam Guide Summary
CISSP All-in-One Exam Guide 86%
All ten CISSP domains in one guide: what you need for the exam and the job.
by Shon Harris 2001
4.10
927 ratings
🔓 Information Security📜 Cybersecurity Certification🏛️ Security Governance
The Art of War
by Niccolò Machiavelli • 1521
A republic that hires soldiers is already dead. The cure: citizen farmers trained like Romans.
4.05
9k+
🧠 Military Strategy⚔️ Ancient Warfare🎭 Psychological Warfare
The Art of War Summary
The Art of War 86%
A republic that hires soldiers is already dead. The cure: citizen farmers trained like Romans.
by Niccolò Machiavelli 1521
4.05
9k+ ratings
🧠 Military Strategy⚔️ Ancient Warfare🎭 Psychological Warfare
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only $4.16 per month
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