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 Fourth Dimension
by Rudy Rucker • 1984
The fourth dimension decoded: from Flatland to wormholes, where geometry bends mind and cosmos.
4.14
804
The Fourth Dimension Summary
The Fourth Dimension 90%
The fourth dimension decoded: from Flatland to wormholes, where geometry bends mind and cosmos.
by Rudy Rucker 1984
4.14
804 ratings
Visualizing Mathematics with 3D Printing
by Henry Segerman • 2016
3D printing turns polyhedra, knots, and 4D shadows into hands-on objects you finally grasp.
4.08
13
Visualizing Mathematics with 3D Printing Summary
Visualizing Mathematics with 3D Printing 89%
3D printing turns polyhedra, knots, and 4D shadows into hands-on objects you finally grasp.
by Henry Segerman 2016
4.08
13 ratings
Hyperspace
by Michio Kaku • 1994
One idea unifies physics: add dimensions and the laws simplify. Why the cosmos may need ten.
4.15
24k+
Hyperspace Summary
Hyperspace 89%
One idea unifies physics: add dimensions and the laws simplify. Why the cosmos may need ten.
by Michio Kaku 1994
4.15
24k+ ratings
Parallel Worlds
by Michio Kaku • 2004
A multiverse explains our improbable existence, and may offer an escape when this universe freezes.
4.21
23k+
Parallel Worlds Summary
Parallel Worlds 88%
A multiverse explains our improbable existence, and may offer an escape when this universe freezes.
by Michio Kaku 2004
4.21
23k+ ratings
The Science of Interstellar
by Kip S. Thorne • 2015
Black holes bend time. Wormholes need exotic matter. Interstellar's physicist explains.
4.30
7k+
The Science of Interstellar Summary
The Science of Interstellar 88%
Black holes bend time. Wormholes need exotic matter. Interstellar's physicist explains.
by Kip S. Thorne 2015
4.30
7k+ ratings
Street-Fighting Mathematics
by Sanjoy Mahajan • 2010
A toolkit for rough-and-ready problem solving: estimate with units, symmetry, and clever shortcuts.
3.74
236
Street-Fighting Mathematics Summary
Street-Fighting Mathematics 88%
A toolkit for rough-and-ready problem solving: estimate with units, symmetry, and clever shortcuts.
by Sanjoy Mahajan 2010
3.74
236 ratings
The Elegant Universe
by Brian Greene • 1999
Physics' sixty-year civil war. String theory says both sides win, if reality has ten dimensions.
4.10
103k+
The Elegant Universe Summary
The Elegant Universe 88%
Physics' sixty-year civil war. String theory says both sides win, if reality has ten dimensions.
by Brian Greene 1999
4.10
103k+ ratings
Just Six Numbers
by Martin J. Rees • 1999
The difference between a living universe and a dead one is six numbers.
3.96
5k+
Just Six Numbers Summary
Just Six Numbers 87%
The difference between a living universe and a dead one is six numbers.
by Martin J. Rees 1999
3.96
5k+ ratings
The Road to Reality
by Roger Penrose • 2004
Physics, equation by equation: the complete mathematical tour from arithmetic to quantum fields.
4.17
9k+
The Road to Reality Summary
The Road to Reality 87%
Physics, equation by equation: the complete mathematical tour from arithmetic to quantum fields.
by Roger Penrose 2004
4.17
9k+ ratings
The Joy of Abstraction
by Eugenia Cheng • 2022
What if math’s deepest lesson is that context always beats content? A category theorist explains.
3.84
190
The Joy of Abstraction Summary
The Joy of Abstraction 87%
What if math’s deepest lesson is that context always beats content? A category theorist explains.
by Eugenia Cheng 2022
3.84
190 ratings
Information Is Beautiful
by David McCandless • 2001
Concept is the secret: why a simple, clever data drawing can reveal more than a supercomputer.
4.12
4k+
Information Is Beautiful Summary
Information Is Beautiful 87%
Concept is the secret: why a simple, clever data drawing can reveal more than a supercomputer.
by David McCandless 2001
4.12
4k+ ratings
Nonlinear Dynamics and Chaos
by Steven H. Strogatz • 1994
How simple rules produce unpredictable motion, and the pictures that reveal the hidden order.
4.38
2k+
Nonlinear Dynamics and Chaos Summary
Nonlinear Dynamics and Chaos 87%
How simple rules produce unpredictable motion, and the pictures that reveal the hidden order.
by Steven H. Strogatz 1994
4.38
2k+ ratings
The Accidental Universe
by Alan Lightman • 2013
You see a fraction of the universe. A physicist maps the vast, invisible rest.
3.85
5k+
The Accidental Universe Summary
The Accidental Universe 87%
You see a fraction of the universe. A physicist maps the vast, invisible rest.
by Alan Lightman 2013
3.85
5k+ ratings
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+
A Beautiful Question Summary
A Beautiful Question 87%
From Pythagoras to quantum theory, a Nobel laureate shows beauty was always the compass of physics.
by Frank Wilczek 2015
3.87
2k+ ratings
The God Particle
by Leon M. Lederman • 1993
All the universe's fundamental pieces are known but one: the particle responsible for mass.
4.15
4k+
The God Particle Summary
The God Particle 87%
All the universe's fundamental pieces are known but one: the particle responsible for mass.
by Leon M. Lederman 1993
4.15
4k+ ratings
Children Are from Heaven
by John Gray • 2000
Reality is fields, not particles, and everyday physics is already completely mapped.
3.89
2k+
Children Are from Heaven Summary
Children Are from Heaven 87%
Reality is fields, not particles, and everyday physics is already completely mapped.
by John Gray 2000
3.89
2k+ ratings
Love Triangle
by Matt Parker • 2024
Triangles build skyscrapers, animate movies, and decode sound: the shape that runs the world.
3.93
2k+
Love Triangle Summary
Love Triangle 87%
Triangles build skyscrapers, animate movies, and decode sound: the shape that runs the world.
by Matt Parker 2024
3.93
2k+ ratings
The God Equation
by Michio Kaku • 2021
Three forces unified. Gravity alone resists. The ten-dimensional theory that might finally crack it.
4.11
9k+
The God Equation Summary
The God Equation 87%
Three forces unified. Gravity alone resists. The ten-dimensional theory that might finally crack it.
by Michio Kaku 2021
4.11
9k+ ratings
Vector
by Robyn Arianrhod • 2024
Your GPS and AI depend on a 19th-century algebra that broke the rules of arithmetic.
4.05
163
Vector Summary
Vector 87%
Your GPS and AI depend on a 19th-century algebra that broke the rules of arithmetic.
by Robyn Arianrhod 2024
4.05
163 ratings
Something Deeply Hidden
by Sean Carroll • 2019
Every quantum event spawns new worlds. Spacetime is just a convenient fiction.
4.08
6k+
Something Deeply Hidden Summary
Something Deeply Hidden 87%
Every quantum event spawns new worlds. Spacetime is just a convenient fiction.
by Sean Carroll 2019
4.08
6k+ ratings
The Grand Design
by Stephen W. Hawking • 2010
A landscape of 10^500 possible universes explains the fine-tuning of ours, no designer required.
4.06
78k+
The Grand Design Summary
The Grand Design 87%
A landscape of 10^500 possible universes explains the fine-tuning of ours, no designer required.
by Stephen W. Hawking 2010
4.06
78k+ ratings
The Fabric of Reality
by David Deutsch • 1996
Quantum interference reveals other universes touching ours; the multiverse is not optional.
4.14
6k+
The Fabric of Reality Summary
The Fabric of Reality 87%
Quantum interference reveals other universes touching ours; the multiverse is not optional.
by David Deutsch 1996
4.14
6k+ ratings
The Fractal Geometry of Nature
by Benoît B. Mandelbrot • 1977
Coastlines lengthen as you zoom in; mountains and galaxies obey the same hidden arithmetic.
4.23
1k+
The Fractal Geometry of Nature Summary
The Fractal Geometry of Nature 87%
Coastlines lengthen as you zoom in; mountains and galaxies obey the same hidden arithmetic.
by Benoît B. Mandelbrot 1977
4.23
1k+ ratings
The Elephant in the Universe
by Govert Schilling • 2022
Eighty-four percent of matter is invisible. A century-long hunt has yet to catch it.
4.07
265
The Elephant in the Universe Summary
The Elephant in the Universe 87%
Eighty-four percent of matter is invisible. A century-long hunt has yet to catch it.
by Govert Schilling 2022
4.07
265 ratings
Beyond Measure
by James Vincent • 2022
The foot, the pound, the second: none are innocent. How measurement conquered the modern world.
3.85
1k+
Beyond Measure Summary
Beyond Measure 87%
The foot, the pound, the second: none are innocent. How measurement conquered the modern world.
by James Vincent 2022
3.85
1k+ ratings
In Search of the Multiverse
by John Gribbin • 2009
Our universe seems fine-tuned for life. The real explanation: it is just one of countless tries.
4.08
1k+
In Search of the Multiverse Summary
In Search of the Multiverse 87%
Our universe seems fine-tuned for life. The real explanation: it is just one of countless tries.
by John Gribbin 2009
4.08
1k+ ratings
The Hidden Reality
by Brian Greene • 2011
A single unsettling destination modern physics keeps reaching: our universe is not the only one.
4.11
21k+
The Hidden Reality Summary
The Hidden Reality 87%
A single unsettling destination modern physics keeps reaching: our universe is not the only one.
by Brian Greene 2011
4.11
21k+ ratings
How to Predict Everything
by William Poundstone • 2019
The math that gives humanity 760 more years also explains why aliens never call.
3.19
68
How to Predict Everything Summary
How to Predict Everything 87%
The math that gives humanity 760 more years also explains why aliens never call.
by William Poundstone 2019
3.19
68 ratings
The Theory of Everything
by Stephen W. Hawking • 2002
If a universe can arise from nothing, what role remains for a creator?
4.18
29k+
The Theory of Everything Summary
The Theory of Everything 86%
If a universe can arise from nothing, what role remains for a creator?
by Stephen W. Hawking 2002
4.18
29k+ ratings
Data Science for Business
by Foster Provost • 2013
Why overfitting sinks most data projects, and the conceptual tools that stop it.
4.13
3k+
Data Science for Business Summary
Data Science for Business 86%
Why overfitting sinks most data projects, and the conceptual tools that stop it.
by Foster Provost 2013
4.13
3k+ ratings
The Simulation Hypothesis
by Rizwan Virk • 2019
Video game history, quantum physics, and mysticism converge on one answer: we live in a simulation.
3.74
1k+
The Simulation Hypothesis Summary
The Simulation Hypothesis 86%
Video game history, quantum physics, and mysticism converge on one answer: we live in a simulation.
by Rizwan Virk 2019
3.74
1k+ ratings
Gravity
by James B. Hartle • 2002
Gravity is spacetime curvature. An undergraduate textbook from special relativity to black holes.
4.25
158
Gravity Summary
Gravity 86%
Gravity is spacetime curvature. An undergraduate textbook from special relativity to black holes.
by James B. Hartle 2002
4.25
158 ratings
The Biggest Ideas in the Universe
by Sean Carroll • 2022
How equations reveal curved spacetime and time's arrow, no physics degree required.
4.00
2k+
The Biggest Ideas in the Universe Summary
The Biggest Ideas in the Universe 86%
How equations reveal curved spacetime and time's arrow, no physics degree required.
by Sean Carroll 2022
4.00
2k+ ratings
Why Does E=mc2? by Cox, Brian, Forshaw, Jeff [Da Capo Press, 2010] (Paperback) [Paperback]
by Cox • 2009
Chase a light beam: it still outruns you. That single fact rebuilds spacetime from scratch.
4.05
10k+
Why Does E=mc2? by Cox, Brian, Forshaw, Jeff [Da Capo Press, 2010] (Paperback) [Paperback] Summary
Why Does E=mc2? by Cox, Brian, Forshaw, Jeff [Da Capo Press, 2010] (Paperback) [Paperback] 86%
Chase a light beam: it still outruns you. That single fact rebuilds spacetime from scratch.
by Cox 2009
4.05
10k+ ratings
Reality is Not What it Seems
by Carlo Rovelli • 2014
The universe has no bottom: particles dissolve into fields, space into grains, time into ignorance.
4.33
17k+
Reality is Not What it Seems Summary
Reality is Not What it Seems 86%
The universe has no bottom: particles dissolve into fields, space into grains, time into ignorance.
by Carlo Rovelli 2014
4.33
17k+ ratings
The Model Thinker
by Scott E. Page • 2018
Big data without many models is just noise. The case for thinking through multiple frameworks.
3.92
955
The Model Thinker Summary
The Model Thinker 86%
Big data without many models is just noise. The case for thinking through multiple frameworks.
by Scott E. Page 2018
3.92
955 ratings
Investing
by Robert G. Hagstrom • 2000
Physics, biology, and psychology, woven together, give an investor an edge no financial model can.
4.13
1k+
Investing Summary
Investing 86%
Physics, biology, and psychology, woven together, give an investor an edge no financial model can.
by Robert G. Hagstrom 2000
4.13
1k+ ratings
Lost in Math
by Sabine Hossenfelder • 2018
Theoretical physics is stuck. The culprit isn't bad math, but a fixation on elegant theories.
4.05
3k+
Lost in Math Summary
Lost in Math 86%
Theoretical physics is stuck. The culprit isn't bad math, but a fixation on elegant theories.
by Sabine Hossenfelder 2018
4.05
3k+ ratings
Shape
by Jordan Ellenberg • 2021
Geometry is not about triangles. It is the hidden structure of pandemics, search, and democracy.
3.73
2k+
Shape Summary
Shape 86%
Geometry is not about triangles. It is the hidden structure of pandemics, search, and democracy.
by Jordan Ellenberg 2021
3.73
2k+ ratings
Whatever Happened to the Metric System?
by John Bemelmans Marciano • 2013
A tale of revolutions, divine measures, and why a global standard stopped at America's shores.
3.62
321
Whatever Happened to the Metric System? Summary
Whatever Happened to the Metric System? 86%
A tale of revolutions, divine measures, and why a global standard stopped at America's shores.
by John Bemelmans Marciano 2013
3.62
321 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 86%
Simple rules, run long enough, build a universe. A physicist shows the working.
by John Gribbin 2004
3.98
2k+ ratings
On the Origin of Time
by Thomas Hertog • 2023
The universe has no single origin story. Hawking's last theory: our questions shape the cosmic past.
4.06
3k+
On the Origin of Time Summary
On the Origin of Time 86%
The universe has no single origin story. Hawking's last theory: our questions shape the cosmic past.
by Thomas Hertog 2023
4.06
3k+ ratings
The Fabric of the Cosmos
by Brian Greene • 2004
Space stretches, time is relative, and your present moment is an illusion.
4.13
41k+
The Fabric of the Cosmos Summary
The Fabric of the Cosmos 86%
Space stretches, time is relative, and your present moment is an illusion.
by Brian Greene 2004
4.13
41k+ ratings
Metaphysics
by Michael J. Loux • 1997
From universals to time: the central problems of metaphysics, mapped for the first-time student.
3.93
354
Metaphysics Summary
Metaphysics 86%
From universals to time: the central problems of metaphysics, mapped for the first-time student.
by Michael J. Loux 1997
3.93
354 ratings
DAMA-DMBOK
by DAMA International • 2017
Data is an asset, not a byproduct. The master reference for governing, modeling, and analyzing it.
4.15
172
DAMA-DMBOK Summary
DAMA-DMBOK 86%
Data is an asset, not a byproduct. The master reference for governing, modeling, and analyzing it.
by DAMA International 2017
4.15
172 ratings
Architecture
by Francis D. K. Ching • 1979
The visual primer on form, enclosure, and light: how every architectural space gets its bones.
4.29
4k+
Architecture Summary
Architecture 86%
The visual primer on form, enclosure, and light: how every architectural space gets its bones.
by Francis D. K. Ching 1979
4.29
4k+ ratings
Physics of the Impossible
by Michio Kaku • 2008
Sci-fi's wildest tech, sorted by a physicist: what's coming this century, and what breaks reality.
4.09
42k+
Physics of the Impossible Summary
Physics of the Impossible 86%
Sci-fi's wildest tech, sorted by a physicist: what's coming this century, and what breaks reality.
by Michio Kaku 2008
4.09
42k+ ratings
Other Worlds
by Paul C.W. Davies • 1980
Observation brings reality into being; our habitable universe may be a fluke among dead worlds.
3.86
188
Other Worlds Summary
Other Worlds 86%
Observation brings reality into being; our habitable universe may be a fluke among dead worlds.
by Paul C.W. Davies 1980
3.86
188 ratings
The Goldilocks Enigma
by Paul C.W. Davies • 2006
A handful of numbers enable existence. Their precision mocks chance. The search for why.
4.06
1k+
The Goldilocks Enigma Summary
The Goldilocks Enigma 86%
A handful of numbers enable existence. Their precision mocks chance. The search for why.
by Paul C.W. Davies 2006
4.06
1k+ ratings
The Cyclic Universe
by Howard Burton • 2013
An infinite cycle: the far future of one universe ignites the Big Bang of the next.
4.25
28
The Cyclic Universe Summary
The Cyclic Universe 86%
An infinite cycle: the far future of one universe ignites the Big Bang of the next.
by Howard Burton 2013
4.25
28 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 26,
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