Start free trial
EnglishEnglish
EspañolSpanish
简体中文Chinese
繁體中文Chinese (Traditional)
FrançaisFrench
DeutschGerman
日本語Japanese
PortuguêsPortuguese
ItalianoItalian
한국어Korean
РусскийRussian
NederlandsDutch
العربيةArabic
PolskiPolish
हिन्दीHindi
Tiếng ViệtVietnamese
SvenskaSwedish
ΕλληνικάGreek
TürkçeTurkish
ไทยThai
ČeštinaCzech
RomânăRomanian
MagyarHungarian
УкраїнськаUkrainian
IndonesiaIndonesian
DanskDanish
SuomiFinnish
БългарскиBulgarian
עבריתHebrew
NorskNorwegian
HrvatskiCroatian
CatalàCatalan
SlovenčinaSlovak
LietuviųLithuanian
SlovenščinaSlovenian
СрпскиSerbian
EestiEstonian
LatviešuLatvian
فارسیPersian
മലയാളംMalayalam
தமிழ்Tamil
اردوUrdu
SoBrief
Searching...
The Edge of Reason
by Julian Baggini • 2016
Reason is not sterile logic. It depends on judgment, emotion, and the temperament we bring.
3.97
141
The Edge of Reason Summary
The Edge of Reason 92%
Reason is not sterile logic. It depends on judgment, emotion, and the temperament we bring.
by Julian Baggini 2016
3.97
141 ratings
Introduction to Logic
by Irving M. Copi • 1953
How to spot a flawed argument: the logic toolkit from Aristotle to truth tables.
4.07
919
Introduction to Logic Summary
Introduction to Logic 90%
How to spot a flawed argument: the logic toolkit from Aristotle to truth tables.
by Irving M. Copi 1953
4.07
919 ratings
Attacking Faulty Reasoning
by T. Edward Damer • 1980
Every bad argument breaks a specific rule. Spot the rule, and the response becomes clear.
3.99
208
Attacking Faulty Reasoning Summary
Attacking Faulty Reasoning 90%
Every bad argument breaks a specific rule. Spot the rule, and the response becomes clear.
by T. Edward Damer 1980
3.99
208 ratings
The Art of Logic in an Illogical World
by Eugenia Cheng • 2018
Mathematical logic isn't about numbers. It's about untangling the arguments tearing us apart.
3.47
2k+
The Art of Logic in an Illogical World Summary
The Art of Logic in an Illogical World 90%
Mathematical logic isn't about numbers. It's about untangling the arguments tearing us apart.
by Eugenia Cheng 2018
3.47
2k+ ratings
Being Logical
by D.Q. McInerny • 2004
Spot fallacies, build arguments, and keep your own mind honest: logic for everyday life.
3.75
2k+
Being Logical Summary
Being Logical 90%
Spot fallacies, build arguments, and keep your own mind honest: logic for everyday life.
by D.Q. McInerny 2004
3.75
2k+ ratings
Elements of Critical Thinking
by Albert Rutherford • 2018
Your mind skips evidence, invents stories, and trusts charming liars. A guide for rigorous thinking.
3.99
109
Elements of Critical Thinking Summary
Elements of Critical Thinking 89%
Your mind skips evidence, invents stories, and trusts charming liars. A guide for rigorous thinking.
by Albert Rutherford 2018
3.99
109 ratings
How to Become a Really Good Pain in the Ass
by Christopher W. DiCarlo • 2007
Why the most annoying person in the room is often right, and how to become them.
3.58
270
How to Become a Really Good Pain in the Ass Summary
How to Become a Really Good Pain in the Ass 89%
Why the most annoying person in the room is often right, and how to become them.
by Christopher W. DiCarlo 2007
3.58
270 ratings
There Are Two Errors in the the Title of This Book
by Robert M. Martin • 1992
Logic, morality, identity: each cracks under a well-chosen paradox. This book chooses well.
4.01
247
There Are Two Errors in the the Title of This Book Summary
There Are Two Errors in the the Title of This Book 89%
Logic, morality, identity: each cracks under a well-chosen paradox. This book chooses well.
by Robert M. Martin 1992
4.01
247 ratings
Critical Thinking
by Tracy Bowell • 2001
Map an argument's structure, test its logic, and know when rhetoric is doing the work.
3.82
249
Critical Thinking Summary
Critical Thinking 89%
Map an argument's structure, test its logic, and know when rhetoric is doing the work.
by Tracy Bowell 2001
3.82
249 ratings
Thought and Knowledge
by Diane F. Halpern • 1984
Upgrade memory, reasoning, and decisions with the cognitive skills that expose hidden mental errors.
3.89
109
Thought and Knowledge Summary
Thought and Knowledge 89%
Upgrade memory, reasoning, and decisions with the cognitive skills that expose hidden mental errors.
by Diane F. Halpern 1984
3.89
109 ratings
The Art of Logical Thinking
by William Walker Atkinson • 1909
Master the machinery of valid arguments and detect the logical flaws that fool most people.
3.42
117
The Art of Logical Thinking Summary
The Art of Logical Thinking 89%
Master the machinery of valid arguments and detect the logical flaws that fool most people.
by William Walker Atkinson 1909
3.42
117 ratings
Logically Fallacious
by Bo Bennett • 2012
A catalog of 300+ reasoning errors, with techniques to catch them in everyday arguments.
3.85
613
Logically Fallacious Summary
Logically Fallacious 89%
A catalog of 300+ reasoning errors, with techniques to catch them in everyday arguments.
by Bo Bennett 2012
3.85
613 ratings
Rationality
by Eliezer Yudkowsky • 2015
Human reason is buggy code. Here is the patch from cognitive science and AI.
4.32
2k+
Rationality Summary
Rationality 89%
Human reason is buggy code. Here is the patch from cognitive science and AI.
by Eliezer Yudkowsky 2015
4.32
2k+ ratings
How to Actually Change Your Mind
by Eliezer Yudkowsky • 2018
Humble confession changes nothing. The specific moves that actually correct your thinking.
4.28
294
How to Actually Change Your Mind Summary
How to Actually Change Your Mind 89%
Humble confession changes nothing. The specific moves that actually correct your thinking.
by Eliezer Yudkowsky 2018
4.28
294 ratings
Critical Thinking In A Nutshell
by Thinknetic • 2021
Two classic frameworks turn fuzzy reasoning into a trainable skill; daily exercises lock it in.
3.64
148
Critical Thinking In A Nutshell Summary
Critical Thinking In A Nutshell 89%
Two classic frameworks turn fuzzy reasoning into a trainable skill; daily exercises lock it in.
by Thinknetic 2021
3.64
148 ratings
Plato and a Platypus Walk Into a Bar
by Thomas Cathcart • 2007
Jokes and philosophy work the same way: both ambush your assumptions. Here's how.
3.76
18k+
Plato and a Platypus Walk Into a Bar Summary
Plato and a Platypus Walk Into a Bar 89%
Jokes and philosophy work the same way: both ambush your assumptions. Here's how.
by Thomas Cathcart 2007
3.76
18k+ ratings
Critical Thinking
by Tom Chatfield • 2017
Between a bad argument and a good decision sits one trainable skill most schools never teach.
4.07
230
Critical Thinking Summary
Critical Thinking 89%
Between a bad argument and a good decision sits one trainable skill most schools never teach.
by Tom Chatfield 2017
4.07
230 ratings
Master Critical Thinking
by Henrik Rodgers • 2019
Critical thinking predicts life outcomes better than IQ does. The mental habits that build it.
3.15
27
Master Critical Thinking Summary
Master Critical Thinking 89%
Critical thinking predicts life outcomes better than IQ does. The mental habits that build it.
by Henrik Rodgers 2019
3.15
27 ratings
Objective Communication
by Leonard Peikoff • 1980
Most communication floats free of reality. An Objectivist shows how to anchor yours in facts.
4.22
74
Objective Communication Summary
Objective Communication 89%
Most communication floats free of reality. An Objectivist shows how to anchor yours in facts.
by Leonard Peikoff 1980
4.22
74 ratings
A Few Lessons from Sherlock Holmes
by Peter Bevelin • 2013
The observation and reasoning tools Holmes used to solve impossible crimes, for everyday thinking.
3.63
541
A Few Lessons from Sherlock Holmes Summary
A Few Lessons from Sherlock Holmes 89%
The observation and reasoning tools Holmes used to solve impossible crimes, for everyday thinking.
by Peter Bevelin 2013
3.63
541 ratings
Third Millennium Thinking
by Saul Perlmutter • 2024
Probability over certainty, groups over lone genius: a Nobel physicist's toolkit for clear thinking.
3.66
339
Third Millennium Thinking Summary
Third Millennium Thinking 89%
Probability over certainty, groups over lone genius: a Nobel physicist's toolkit for clear thinking.
by Saul Perlmutter 2024
3.66
339 ratings
ذهن فریبکار شما
by Steven Novella • 1395
Your brain was built to fool you. A neurologist's method for thinking clearly anyway.
4.23
1k+
ذهن فریبکار شما Summary
ذهن فریبکار شما 89%
Your brain was built to fool you. A neurologist's method for thinking clearly anyway.
by Steven Novella 1395
4.23
1k+ ratings
How to Think Like a Lawyer--and Why
by Kim Wehle • 2022
The lawyer's toolkit for untangling problems, now for your family, health, and ballot-box choices.
3.36
310
How to Think Like a Lawyer--and Why Summary
How to Think Like a Lawyer--and Why 89%
The lawyer's toolkit for untangling problems, now for your family, health, and ballot-box choices.
by Kim Wehle 2022
3.36
310 ratings
Crimes Against Logic
by Jamie Whyte • 2004
Most public arguments are crime scenes. A philosopher dusts for the fingerprints of fallacy.
3.67
2k+
Crimes Against Logic Summary
Crimes Against Logic 89%
Most public arguments are crime scenes. A philosopher dusts for the fingerprints of fallacy.
by Jamie Whyte 2004
3.67
2k+ ratings
The Tools of Argument
by Joel P. Trachtman • 2013
From framing the facts to exploiting the rules: the lawyer's toolkit for winning any argument.
3.97
949
The Tools of Argument Summary
The Tools of Argument 89%
From framing the facts to exploiting the rules: the lawyer's toolkit for winning any argument.
by Joel P. Trachtman 2013
3.97
949 ratings
Critical Thinking
by Sharon Kaye • 2009
Spot bad arguments, build sound ones: a beginner's course in the logic most people skip.
3.65
110
Critical Thinking Summary
Critical Thinking 89%
Spot bad arguments, build sound ones: a beginner's course in the logic most people skip.
by Sharon Kaye 2009
3.65
110 ratings
Doing Philosophy
by Timothy Williamson • 2018
Philosophy is a science that tests ideas with thought experiments, and the best explanation wins.
3.67
213
Doing Philosophy Summary
Doing Philosophy 89%
Philosophy is a science that tests ideas with thought experiments, and the best explanation wins.
by Timothy Williamson 2018
3.67
213 ratings
Come, Let Us Reason
by Norman L. Geisler • 1990
A Christian philosopher on why most arguments fail, and how to construct ones that hold.
4.02
194
Come, Let Us Reason Summary
Come, Let Us Reason 89%
A Christian philosopher on why most arguments fail, and how to construct ones that hold.
by Norman L. Geisler 1990
4.02
194 ratings
An Introduction to Decision Theory
by Martin Peterson • 2009
Probability is a philosophical puzzle; how you define it changes what counts as rational.
3.77
131
An Introduction to Decision Theory Summary
An Introduction to Decision Theory 89%
Probability is a philosophical puzzle; how you define it changes what counts as rational.
by Martin Peterson 2009
3.77
131 ratings
Rationality
by Steven Pinker • 2021
How a single mental toolkit built science, law, and democracy, and why it keeps short-circuiting.
3.84
7k+
Rationality Summary
Rationality 89%
How a single mental toolkit built science, law, and democracy, and why it keeps short-circuiting.
by Steven Pinker 2021
3.84
7k+ ratings
Good Thinking
by David Robert Grimes • 2021
Bad logic corrupts medicine, politics, and media. A physicist shows how to spot it.
4.29
312
Good Thinking Summary
Good Thinking 89%
Bad logic corrupts medicine, politics, and media. A physicist shows how to spot it.
by David Robert Grimes 2021
4.29
312 ratings
Think!
by Michael R. LeGault • 2006
Gut feelings are not wisdom. A defense of slow reason in a culture that worships intuition.
3.1
519
Think! Summary
Think! 89%
Gut feelings are not wisdom. A defense of slow reason in a culture that worships intuition.
by Michael R. LeGault 2006
3.1
519 ratings
Think Again
by Walter Sinnott-Armstrong • 2018
Turn arguments from fights into tools: spot the fallacies, build sound cases, refute with civility.
3.34
603
Think Again Summary
Think Again 89%
Turn arguments from fights into tools: spot the fallacies, build sound cases, refute with civility.
by Walter Sinnott-Armstrong 2018
3.34
603 ratings
Objectivism
by Leonard Peikoff • 1991
Reality comes first, reason is mandatory, and your life is the moral standard. The complete chain.
3.77
5k+
Objectivism Summary
Objectivism 89%
Reality comes first, reason is mandatory, and your life is the moral standard. The complete chain.
by Leonard Peikoff 1991
3.77
5k+ ratings
Psychology of Intelligence Analysis
by Richards J. Heuer Jr. • 2005
CIA's textbook for outthinking your own limits: structured methods that catch what intuition misses.
4.27
1k+
Psychology of Intelligence Analysis Summary
Psychology of Intelligence Analysis 89%
CIA's textbook for outthinking your own limits: structured methods that catch what intuition misses.
by Richards J. Heuer Jr. 2005
4.27
1k+ ratings
Socratic Logic
by Peter Kreeft • 2003
Reason with precision, argue with force, and catch every fallacy: a classical logic course.
4.31
468
Socratic Logic Summary
Socratic Logic 89%
Reason with precision, argue with force, and catch every fallacy: a classical logic course.
by Peter Kreeft 2003
4.31
468 ratings
Knowledge
by Jennifer Nagel • 2014
A concise tour of what it means to know, from Descartes's demon to the broken clock.
3.85
1k+
Knowledge Summary
Knowledge 89%
A concise tour of what it means to know, from Descartes's demon to the broken clock.
by Jennifer Nagel 2014
3.85
1k+ ratings
Framers
by Kenneth Cukier • 2021
AI can't ask 'what if.' That single gap explains why humans remain irreplaceable.
3.53
568
Framers Summary
Framers 89%
AI can't ask 'what if.' That single gap explains why humans remain irreplaceable.
by Kenneth Cukier 2021
3.53
568 ratings
How to Think About Weird Things
by Theodore Schick Jr. • 1994
A method for evaluating any extraordinary claim, from alien abductions to miracle cures.
3.97
633
How to Think About Weird Things Summary
How to Think About Weird Things 89%
A method for evaluating any extraordinary claim, from alien abductions to miracle cures.
by Theodore Schick Jr. 1994
3.97
633 ratings
Asking the Right Questions
by M. Neil Browne • 1981
Spot weak arguments, hidden assumptions, and bad statistics: a guide to thinking for yourself.
3.97
2k+
Asking the Right Questions Summary
Asking the Right Questions 89%
Spot weak arguments, hidden assumptions, and bad statistics: a guide to thinking for yourself.
by M. Neil Browne 1981
3.97
2k+ ratings
Sabia Mente
by Marcos Vázquez García • 2025
Cognitive biases are ancient traps. The Stoics called them something else but knew the cure.
4.26
237
Sabia Mente Summary
Sabia Mente 89%
Cognitive biases are ancient traps. The Stoics called them something else but knew the cure.
by Marcos Vázquez García 2025
4.26
237 ratings
Critical Thinking
by Simon Bradley • 2016
A structured method for evaluating evidence, cutting through noise, and knowing when inaction wins.
3.27
241
Critical Thinking Summary
Critical Thinking 89%
A structured method for evaluating evidence, cutting through noise, and knowing when inaction wins.
by Simon Bradley 2016
3.27
241 ratings
The Abolition of Man
by C.S. Lewis • 1943
The final product of denying objective value is not freedom but a humanity ruled by impulse.
4.12
42k+
The Abolition of Man Summary
The Abolition of Man 89%
The final product of denying objective value is not freedom but a humanity ruled by impulse.
by C.S. Lewis 1943
4.12
42k+ ratings
Maxims for Thinking Analytically
by Dan Levy • 2021
Extreme cases and simple division: Harvard legend's toolkit for sharper thinking amid uncertainty.
3.92
583
Maxims for Thinking Analytically Summary
Maxims for Thinking Analytically 89%
Extreme cases and simple division: Harvard legend's toolkit for sharper thinking amid uncertainty.
by Dan Levy 2021
3.92
583 ratings
How to Think like a Philosopher
by Julian Baggini • 2023
The mental habits philosophy teaches: question yourself, follow evidence, drop the ego.
3.95
429
How to Think like a Philosopher Summary
How to Think like a Philosopher 89%
The mental habits philosophy teaches: question yourself, follow evidence, drop the ego.
by Julian Baggini 2023
3.95
429 ratings
The Art of Thinking Clearly
by Rolf Dobelli • 2013
99 thinking traps, catalogued. Better judgment comes from removing errors, not adding insight.
3.85
43k+
The Art of Thinking Clearly Summary
The Art of Thinking Clearly 89%
99 thinking traps, catalogued. Better judgment comes from removing errors, not adding insight.
by Rolf Dobelli 2013
3.85
43k+ ratings
How Spies Think
by David Omand • 2020
From a former GCHQ chief: how spies structure their thinking to outsmart lies and cognitive traps.
3.62
832
How Spies Think Summary
How Spies Think 88%
From a former GCHQ chief: how spies structure their thinking to outsmart lies and cognitive traps.
by David Omand 2020
3.62
832 ratings
Mastering Logical Fallacies
by Michael Withey • 2016
The patterns behind every bad argument you have ever lost to, named and disarmed.
3.69
775
Mastering Logical Fallacies Summary
Mastering Logical Fallacies 88%
The patterns behind every bad argument you have ever lost to, named and disarmed.
by Michael Withey 2016
3.69
775 ratings
Critical Thinking
by Harvey Segler • 2015
Marketing and the crowd shape your choices. A questioning method to take them back.
2.96
173
Critical Thinking Summary
Critical Thinking 88%
Marketing and the crowd shape your choices. A questioning method to take them back.
by Harvey Segler 2015
2.96
173 ratings
25 Days to Better Thinking & Better Living
by Linda Elder • 2006
Your mind is wired for self-deception. A 25-day plan to catch it in the act.
3.80
465
25 Days to Better Thinking & Better Living Summary
25 Days to Better Thinking & Better Living 88%
Your mind is wired for self-deception. A 25-day plan to catch it in the act.
by Linda Elder 2006
3.80
465 ratings
Home
Swipe
Library
Get App
Try Full Access for 3 Days
Listen, bookmark, and more
Compare Features Free Pro
📖 Read Summaries
Read unlimited summaries. Free users get 3 per month
🎧 Listen to Summaries
Listen to unlimited summaries in 40 languages
❤️ Unlimited Bookmarks
Free users are limited to 4
📜 Unlimited History
Free users are limited to 4
📥 Unlimited Downloads
Free users are limited to 1
Risk-Free Timeline
Today: Get Instant Access
Listen to full summaries of 26,000+ books. That's 12,000+ hours of audio!
Day 2: Trial Reminder
We'll send you a notification that your trial is ending soon.
Day 3: Your subscription begins
You'll be charged on Jul 25,
cancel anytime before.
Consume 2.8× More Books
2.8× more books Listening Reading
Our users love us
600,000+ readers
Trustpilot Rating
TrustPilot
4.6 Excellent
This site is a total game-changer. I've been flying through book summaries like never before. Highly, highly recommend.
— Dave G
Worth my money and time, and really well made. I've never seen this quality of summaries on other websites. Very helpful!
— Em
Highly recommended!! Fantastic service. Perfect for those that want a little more than a teaser but not all the intricate details of a full audio book.
— Greg M
Save 62%
Yearly
$119.88 $44.99/year/yr
$3.75/mo
Monthly
$9.99/mo
Start a 3-Day Free Trial
3 days free, then $44.99/year. Cancel anytime.
Unlock a world of fiction & nonfiction books
26,000+ books for the price of 2 books
Read any book in 10 minutes
Discover new books like Tinder
Request any book if it's not summarized
Read more books than anyone you know
#1 app for book lovers
Lifelike & immersive summaries
30-day money-back guarantee
Download summaries in EPUBs or PDFs
Cancel anytime in a few clicks
Scanner
Find a barcode to scan

We have a special gift for you
Open
38% OFF
DISCOUNT FOR YOU
$79.99
$49.99/year
only $4.16 per month
Continue
2 taps to start, super easy to cancel
Settings
General
Widget
Loading...
We have a special gift for you
Open
38% OFF
DISCOUNT FOR YOU
$79.99
$49.99/year
only $4.16 per month
Continue
2 taps to start, super easy to cancel