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 Book of Why
by Judea Pearl • 2018
Data can't tell you why. A mathematical science of cause and effect finally can.
3.93
7k+
The Book of Why Summary
The Book of Why 90%
Data can't tell you why. A mathematical science of cause and effect finally can.
by Judea Pearl 2018
3.93
7k+ ratings
The Music of Life
by Denis Noble • 2006
The genome is a database, not a dictator. Life runs on systems, not commands.
3.85
388
The Music of Life Summary
The Music of Life 90%
The genome is a database, not a dictator. Life runs on systems, not commands.
by Denis Noble 2006
3.85
388 ratings
Case Studies And Theory Development In The Social Sciences
by Alexander L. George • 2005
A single case, properly analyzed, reveals what regressions miss: the causal mechanism.
3.81
176
Case Studies And Theory Development In The Social Sciences Summary
Case Studies And Theory Development In The Social Sciences 89%
A single case, properly analyzed, reveals what regressions miss: the causal mechanism.
by Alexander L. George 2005
3.81
176 ratings
Philosophy of Science
by Samir Okasha • 2002
Atoms are invisible. Theories change every half-century. Why trust science? A compact guide.
3.93
4k+
Philosophy of Science Summary
Philosophy of Science 89%
Atoms are invisible. Theories change every half-century. Why trust science? A compact guide.
by Samir Okasha 2002
3.93
4k+ ratings
The Systems Thinker
by Albert Rutherford • 2018
The mental models and feedback tools that crack the problems linear thinking only makes worse.
3.49
356
The Systems Thinker Summary
The Systems Thinker 89%
The mental models and feedback tools that crack the problems linear thinking only makes worse.
by Albert Rutherford 2018
3.49
356 ratings
Ubiquity
by Mark Buchanan • 2000
One grain of sand explains why markets crash, species vanish, and empires fall.
3.90
716
Ubiquity Summary
Ubiquity 89%
One grain of sand explains why markets crash, species vanish, and empires fall.
by Mark Buchanan 2000
3.90
716 ratings
The Systems Bible
by John Gall • 1977
Every system malfunctions and fights its own purpose. The counterintuitive guide to surviving them.
3.99
1k+
The Systems Bible Summary
The Systems Bible 89%
Every system malfunctions and fights its own purpose. The counterintuitive guide to surviving them.
by John Gall 1977
3.99
1k+ ratings
Deep Simplicity
by John Gribbin • 2004
Simple rules, run long enough, build a universe. A physicist shows the working.
3.98
2k+
Deep Simplicity Summary
Deep Simplicity 89%
Simple rules, run long enough, build a universe. A physicist shows the working.
by John Gribbin 2004
3.98
2k+ ratings
Normal Accidents
by Charles Perrow • 1984
The safer we try to make a system, the more unknowable its failure modes become.
4.05
704
Normal Accidents Summary
Normal Accidents 89%
The safer we try to make a system, the more unknowable its failure modes become.
by Charles Perrow 1984
4.05
704 ratings
Epidemiology
by Rodolfo Saracci • 2010
The science that saved cities from cholera and proved tobacco kills, packed into 100 pages.
3.37
351
Epidemiology Summary
Epidemiology 89%
The science that saved cities from cholera and proved tobacco kills, packed into 100 pages.
by Rodolfo Saracci 2010
3.37
351 ratings
Rational Choice and Security Studies
by Michael E. Brown • 2000
Two visions of political science: one builds mathematical temples, the other wants to stop war.
3.78
9
Rational Choice and Security Studies Summary
Rational Choice and Security Studies 89%
Two visions of political science: one builds mathematical temples, the other wants to stop war.
by Michael E. Brown 2000
3.78
9 ratings
The Big Picture
by Sean Carroll • 2016
How a purposeless cosmos produces life, mind, and the meaning we build for ourselves.
4.18
10k+
The Big Picture Summary
The Big Picture 89%
How a purposeless cosmos produces life, mind, and the meaning we build for ourselves.
by Sean Carroll 2016
4.18
10k+ ratings
This Idea Is Brilliant
by John Brockman • 2018
The overlooked scientific ideas top minds most urgently want you to know, from entropy to emergence.
3.83
662
This Idea Is Brilliant Summary
This Idea Is Brilliant 89%
The overlooked scientific ideas top minds most urgently want you to know, from entropy to emergence.
by John Brockman 2018
3.83
662 ratings
The Science of Free Will
by Samir Varma • 2025
You can't predict your next thought. No computer can either. That's not a gap: it's free will.
3.35
17
The Science of Free Will Summary
The Science of Free Will 89%
You can't predict your next thought. No computer can either. That's not a gap: it's free will.
by Samir Varma 2025
3.35
17 ratings
Epidemiology
by Leon Gordis • 2000
The epidemiologist's method: how to measure disease, design studies, and prove what causes illness.
3.86
516
Epidemiology Summary
Epidemiology 88%
The epidemiologist's method: how to measure disease, design studies, and prove what causes illness.
by Leon Gordis 2000
3.86
516 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 88%
AI can't ask 'what if.' That single gap explains why humans remain irreplaceable.
by Kenneth Cukier 2021
3.53
568 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 88%
How to spot a flawed argument: the logic toolkit from Aristotle to truth tables.
by Irving M. Copi 1953
4.07
919 ratings
Everyday Chaos
by David Weinberger • 2019
A medical AI diagnoses illness but can't explain how. The age of demanding explanations is over.
3.78
202
Everyday Chaos Summary
Everyday Chaos 88%
A medical AI diagnoses illness but can't explain how. The age of demanding explanations is over.
by David Weinberger 2019
3.78
202 ratings
The Future of Everything
by David Orrell • 2006
Weather, markets, pandemics: the science of why forecasts fail, and what to build instead.
3.67
117
The Future of Everything Summary
The Future of Everything 88%
Weather, markets, pandemics: the science of why forecasts fail, and what to build instead.
by David Orrell 2006
3.67
117 ratings
Systems Thinking For Social Change
by David Peter Stroh • 2015
Why well-meaning solutions backfire, and where to intervene in a system so change actually lasts.
3.79
852
Systems Thinking For Social Change Summary
Systems Thinking For Social Change 88%
Why well-meaning solutions backfire, and where to intervene in a system so change actually lasts.
by David Peter Stroh 2015
3.79
852 ratings
In a Flight of Starlings
by Giorgio Parisi • 2021
Starlings, spin glasses, and science's messy path: why simple rules create complex systems.
3.41
2k+
In a Flight of Starlings Summary
In a Flight of Starlings 88%
Starlings, spin glasses, and science's messy path: why simple rules create complex systems.
by Giorgio Parisi 2021
3.41
2k+ ratings
Chaos
by James Gleick • 1987
A rounding error revealed that chaos hides order. The discovery reshaped what science can predict.
4.03
41k+
Chaos Summary
Chaos 88%
A rounding error revealed that chaos hides order. The discovery reshaped what science can predict.
by James Gleick 1987
4.03
41k+ ratings
Complexity
by M. Mitchell Waldrop • 1992
In a desert convent, a few rogue scientists discovered the universal grammar of complex systems.
4.05
3k+
Complexity Summary
Complexity 88%
In a desert convent, a few rogue scientists discovered the universal grammar of complex systems.
by M. Mitchell Waldrop 1992
4.05
3k+ ratings
Social Theory and Social Structure
by Robert K. Merton • 1949
Why false beliefs become real, rules outlast their purpose, and satisfaction is always relative.
4.23
124
Social Theory and Social Structure Summary
Social Theory and Social Structure 88%
Why false beliefs become real, rules outlast their purpose, and satisfaction is always relative.
by Robert K. Merton 1949
4.23
124 ratings
Fluke
by Brian Klaas • 2024
Your brain evolved to hide chance from you. Chaos science reveals what you are missing.
4.06
4k+
Fluke Summary
Fluke 88%
Your brain evolved to hide chance from you. Chaos science reveals what you are missing.
by Brian Klaas 2024
4.06
4k+ ratings
Determined
by Robert M. Sapolsky • 2023
You chose nothing. Genes, upbringing, chemistry chose everything. The science that rewrites justice.
4.23
8k+
Determined Summary
Determined 88%
You chose nothing. Genes, upbringing, chemistry chose everything. The science that rewrites justice.
by Robert M. Sapolsky 2023
4.23
8k+ ratings
The Demon in the Machine
by Paul C.W. Davies • 2020
Life runs on information, not chemistry. Molecular demons manage it with near-perfect efficiency.
4.06
944
The Demon in the Machine Summary
The Demon in the Machine 88%
Life runs on information, not chemistry. Molecular demons manage it with near-perfect efficiency.
by Paul C.W. Davies 2020
4.06
944 ratings
Drift into Failure
by Sidney Dekker • 2011
Hunting the broken part misses real failure: slow, rational erosion inside everyday decisions.
4.01
343
Drift into Failure Summary
Drift into Failure 88%
Hunting the broken part misses real failure: slow, rational erosion inside everyday decisions.
by Sidney Dekker 2011
4.01
343 ratings
How Life Works
by Philip Ball • 2023
Genes don't give orders; cells decide for themselves. Biology's central metaphor was wrong.
4.21
651
How Life Works Summary
How Life Works 88%
Genes don't give orders; cells decide for themselves. Biology's central metaphor was wrong.
by Philip Ball 2023
4.21
651 ratings
How to Build a Time Machine
by Paul C.W. Davies • 2001
Forward time travel is real. Going back needs wormholes, exotic matter, and a loophole in causality.
3.82
1k+
How to Build a Time Machine Summary
How to Build a Time Machine 88%
Forward time travel is real. Going back needs wormholes, exotic matter, and a loophole in causality.
by Paul C.W. Davies 2001
3.82
1k+ ratings
The Art of Statistics
by David Spiegelhalter • 2019
Numbers are mute. How statisticians make them speak, and why p-values and correlation aren't enough.
4.15
6k+
The Art of Statistics Summary
The Art of Statistics 88%
Numbers are mute. How statisticians make them speak, and why p-values and correlation aren't enough.
by David Spiegelhalter 2019
4.15
6k+ ratings
The Politics of Collective Violence
by Charles Tilly • 2003
Violence isn't chaos; it's politics, shaped by regimes and the relationships leaders exploit.
3.85
151
The Politics of Collective Violence Summary
The Politics of Collective Violence 88%
Violence isn't chaos; it's politics, shaped by regimes and the relationships leaders exploit.
by Charles Tilly 2003
3.85
151 ratings
Root Cause Analysis
by Duke Okes • 2009
A disciplined diagnostic method that isolates the system cause, then proves the fix held.
3.75
51
Root Cause Analysis Summary
Root Cause Analysis 88%
A disciplined diagnostic method that isolates the system cause, then proves the fix held.
by Duke Okes 2009
3.75
51 ratings
Bad Ideas?
by Robert Winston • 2009
Writing, farming, and nuclear power share an uncomfortable secret: each was supposed to save us.
3.56
142
Bad Ideas? Summary
Bad Ideas? 88%
Writing, farming, and nuclear power share an uncomfortable secret: each was supposed to save us.
by Robert Winston 2009
3.56
142 ratings
Debugging
by David J. Agans • 2002
Learn to debug like a detective: reproduce the crime, divide the scene, and never guess.
4.26
509
Debugging Summary
Debugging 88%
Learn to debug like a detective: reproduce the crime, divide the scene, and never guess.
by David J. Agans 2002
4.26
509 ratings
Everything Is Predictable
by Tom Chivers • 2024
The math behind your spam filter also reveals that your brain is hallucinating reality.
4.02
1k+
Everything Is Predictable Summary
Everything Is Predictable 88%
The math behind your spam filter also reveals that your brain is hallucinating reality.
by Tom Chivers 2024
4.02
1k+ ratings
Ignorance
by Stuart Firestein • 2012
Science runs on ignorance not facts and the real skill is knowing which question to chase.
3.86
1k+
Ignorance Summary
Ignorance 88%
Science runs on ignorance not facts and the real skill is knowing which question to chase.
by Stuart Firestein 2012
3.86
1k+ ratings
At Home in the Universe
by Stuart A. Kauffman • 1995
Life begins as chemistry, not luck. The rules that organize molecules govern markets and innovation.
4.03
1k+
At Home in the Universe Summary
At Home in the Universe 88%
Life begins as chemistry, not luck. The rules that organize molecules govern markets and innovation.
by Stuart A. Kauffman 1995
4.03
1k+ ratings
What Do You Care What Other People Think?
by Richard P. Feynman • 1988
A glass of ice water and an O-ring: how Feynman exposed NASA's fatal blind spot.
4.19
31k+
What Do You Care What Other People Think? Summary
What Do You Care What Other People Think? 88%
A glass of ice water and an O-ring: how Feynman exposed NASA's fatal blind spot.
by Richard P. Feynman 1988
4.19
31k+ ratings
Diversity and Complexity
by Scott E. Page • 2010
Diversity isn't a slogan: it's a measurable property with predictable benefits and knowable limits.
4.12
207
Diversity and Complexity Summary
Diversity and Complexity 88%
Diversity isn't a slogan: it's a measurable property with predictable benefits and knowable limits.
by Scott E. Page 2010
4.12
207 ratings
The Great Mental Models Volume 2
by Shane Parrish • 2019
The best mental tools come from physics, chemistry, and biology, not business books.
4.16
2k+
The Great Mental Models Volume 2 Summary
The Great Mental Models Volume 2 88%
The best mental tools come from physics, chemistry, and biology, not business books.
by Shane Parrish 2019
4.16
2k+ ratings
Bursts
by Albert-László Barabási • 2010
Why your email bursts, your travels repeat, and history rhymes: one hidden law of priority.
3.30
1k+
Bursts Summary
Bursts 88%
Why your email bursts, your travels repeat, and history rhymes: one hidden law of priority.
by Albert-László Barabási 2010
3.30
1k+ ratings
The Logic of Failure
by Dietrich Dörner • 1996
Human minds fail predictably when facing complexity. The patterns are knowable and fixable.
3.91
1k+
The Logic of Failure Summary
The Logic of Failure 88%
Human minds fail predictably when facing complexity. The patterns are knowable and fixable.
by Dietrich Dörner 1996
3.91
1k+ ratings
Think in Systems
by Zoe McKey • 2018
Stop fighting symptoms. Find the hidden loops and the one change that rewires the entire problem.
3.49
253
Think in Systems Summary
Think in Systems 88%
Stop fighting symptoms. Find the hidden loops and the one change that rewires the entire problem.
by Zoe McKey 2018
3.49
253 ratings
Einstein's Fridge
by Paul Sen • 2021
The science of heat built the modern world and governs time's arrow, life, and black holes.
4.26
989
Einstein's Fridge Summary
Einstein's Fridge 88%
The science of heat built the modern world and governs time's arrow, life, and black holes.
by Paul Sen 2021
4.26
989 ratings
Complexity
by Melanie Mitchell • 2009
Simple rules produce the complexity of ant colonies, brains, and economies. The science of how.
4.11
4k+
Complexity Summary
Complexity 88%
Simple rules produce the complexity of ant colonies, brains, and economies. The science of how.
by Melanie Mitchell 2009
4.11
4k+ ratings
A Billion Butterflies
by Jagadish Shukla • 2025
How a boy from a monsoon village proved the slow Earth overpowers sky-wide chaos.
4.11
296
A Billion Butterflies Summary
A Billion Butterflies 88%
How a boy from a monsoon village proved the slow Earth overpowers sky-wide chaos.
by Jagadish Shukla 2025
4.11
296 ratings
Emergence
by Steven Johnson • 2001
Ant colonies, brains, cities, and the web all emerge from simple local rules repeated endlessly.
3.95
4k+
Emergence Summary
Emergence 88%
Ant colonies, brains, cities, and the web all emerge from simple local rules repeated endlessly.
by Steven Johnson 2001
3.95
4k+ ratings
Nexus
by Mark Buchanan • 2002
Pandemics, power grids, and viral hits share a hidden architecture, and a few shortcuts explain why.
3.81
521
Nexus Summary
Nexus 88%
Pandemics, power grids, and viral hits share a hidden architecture, and a few shortcuts explain why.
by Mark Buchanan 2002
3.81
521 ratings
The Perfectionists
by Simon Winchester • 2018
From cylinders to microchips: the hidden pursuit of perfect smoothness that built the modern world.
4.15
7k+
The Perfectionists Summary
The Perfectionists 88%
From cylinders to microchips: the hidden pursuit of perfect smoothness that built the modern world.
by Simon Winchester 2018
4.15
7k+ 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