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...
Interstellar
by Avi Loeb • 2023
An object from another star defied physics. We weren't ready. A plan to catch the next one.
3.52
626
Interstellar Summary
Interstellar 90%
An object from another star defied physics. We weren't ready. A plan to catch the next one.
by Avi Loeb 2023
3.52
626 ratings
Car Science
by Richard Hammond • 2008
From chemical explosions to downforce: the physics that makes cars go, stop, and nearly take flight.
4.44
144
Car Science Summary
Car Science 89%
From chemical explosions to downforce: the physics that makes cars go, stop, and nearly take flight.
by Richard Hammond 2008
4.44
144 ratings
Ignition!
by John Drury Clark • 1972
A fuel that won't corrode, explode, or poison: the inside story of the chemists who found it.
4.12
3k+
Ignition! Summary
Ignition! 89%
A fuel that won't corrode, explode, or poison: the inside story of the chemists who found it.
by John Drury Clark 1972
4.12
3k+ 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 89%
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
Reentry
by Eric Berger • 2024
Explosions, sleeping on the factory floor, and NASA skeptics: the real price of reusable rockets.
4.47
2k+
Reentry Summary
Reentry 89%
Explosions, sleeping on the factory floor, and NASA skeptics: the real price of reusable rockets.
by Eric Berger 2024
4.47
2k+ ratings
The Future of Humanity
by Michio Kaku • 2018
Becoming multi-planetary isn't just about rockets. It requires redesigning the human body itself.
4.18
12k+
The Future of Humanity Summary
The Future of Humanity 89%
Becoming multi-planetary isn't just about rockets. It requires redesigning the human body itself.
by Michio Kaku 2018
4.18
12k+ ratings
The Science of Star Wars
by Mark Brake • 2016
The real science of hyperspace, alien biology, and the Force: more surprising than Star Wars.
3.44
413
The Science of Star Wars Summary
The Science of Star Wars 89%
The real science of hyperspace, alien biology, and the Force: more surprising than Star Wars.
by Mark Brake 2016
3.44
413 ratings
The Future of Geography
by Tim Marshall • 2023
Space is the new geography of power: every conflict below is replicating in orbit.
3.91
8k+
The Future of Geography Summary
The Future of Geography 89%
Space is the new geography of power: every conflict below is replicating in orbit.
by Tim Marshall 2023
3.91
8k+ ratings
Physics of the Future
by Michio Kaku • 2011
What a century of real physics can actually deliver: from invisible computers to fusion power.
4.00
18k+
Physics of the Future Summary
Physics of the Future 88%
What a century of real physics can actually deliver: from invisible computers to fusion power.
by Michio Kaku 2011
4.00
18k+ ratings
Soonish
by Kelly Weinersmith • 2017
Ten technologies that could reshape everything, and why each one might backfire spectacularly.
3.94
6k+
Soonish Summary
Soonish 88%
Ten technologies that could reshape everything, and why each one might backfire spectacularly.
by Kelly Weinersmith 2017
3.94
6k+ 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
Seveneves
by Neal Stephenson • 2015
The moon shatters. Earth will burn. Seven women in orbit carry the last hope for humanity.
4.00
126k+
Seveneves Summary
Seveneves 88%
The moon shatters. Earth will burn. Seven women in orbit carry the last hope for humanity.
by Neal Stephenson 2015
4.00
126k+ ratings
Liftoff
by Eric Berger • 2021
Three rockets blew up on a remote island. The fourth was SpaceX's final shot before bankruptcy.
4.47
7k+
Liftoff Summary
Liftoff 88%
Three rockets blew up on a remote island. The fourth was SpaceX's final shot before bankruptcy.
by Eric Berger 2021
4.47
7k+ ratings
The Captain
by Will Wight • 2023
A mage absorbs six dead selves, inheriting their power, their trauma, and a galaxy-spanning war.
4.27
10k+
The Captain Summary
The Captain 88%
A mage absorbs six dead selves, inheriting their power, their trauma, and a galaxy-spanning war.
by Will Wight 2023
4.27
10k+ ratings
Going Nuclear
by Tim Gregory • 2025
Nuclear is the cleanest, safest, densest energy on Earth. Only irrational fear stands in its way.
4.47
350
Going Nuclear Summary
Going Nuclear 88%
Nuclear is the cleanest, safest, densest energy on Earth. Only irrational fear stands in its way.
by Tim Gregory 2025
4.47
350 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 Future of Fusion Energy
by Jason Parisi • 2018
Building a star on Earth: the 35-nation, 500-megawatt experiment to unlock fusion energy.
4.49
127
The Future of Fusion Energy Summary
The Future of Fusion Energy 88%
Building a star on Earth: the 35-nation, 500-megawatt experiment to unlock fusion energy.
by Jason Parisi 2018
4.49
127 ratings
The Path of Ascension 8
by C. Mantis • 2025
Two cultivators infiltrate a noble estate to free a prisoner held centuries for his Talent.
4.45
4k+
The Path of Ascension 8 Summary
The Path of Ascension 8 88%
Two cultivators infiltrate a noble estate to free a prisoner held centuries for his Talent.
by C. Mantis 2025
4.45
4k+ 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 88%
Eighty-four percent of matter is invisible. A century-long hunt has yet to catch it.
by Govert Schilling 2022
4.07
265 ratings
Skywave
by K. Patrick Donoghue • 2018
Amateur astronomer's Callisto signal ignites a billionaire's secret space race to uncover the truth.
4.34
2k+
Skywave Summary
Skywave 88%
Amateur astronomer's Callisto signal ignites a billionaire's secret space race to uncover the truth.
by K. Patrick Donoghue 2018
4.34
2k+ ratings
Inside the U.S. Government Covert UFO Program
by James Lacatski • 2026
A covert Pentagon study linked UFOs to poltergeists and psychic contact. Then it went black.
4.13
16
Inside the U.S. Government Covert UFO Program Summary
Inside the U.S. Government Covert UFO Program 88%
A covert Pentagon study linked UFOs to poltergeists and psychic contact. Then it went black.
by James Lacatski 2026
4.13
16 ratings
Carl Sagan's Cosmic Connection
by Carl Sagan • 1973
Searching for alien intelligence is now a testable science, and the silence is a message in itself.
4.25
2k+
Carl Sagan's Cosmic Connection Summary
Carl Sagan's Cosmic Connection 88%
Searching for alien intelligence is now a testable science, and the silence is a message in itself.
by Carl Sagan 1973
4.25
2k+ ratings
Brief Answers to the Big Questions
by Stephen W. Hawking • 2018
Time travel might work, but the feedback loop of climate disaster probably kills us first.
4.26
89k+
Brief Answers to the Big Questions Summary
Brief Answers to the Big Questions 88%
Time travel might work, but the feedback loop of climate disaster probably kills us first.
by Stephen W. Hawking 2018
4.26
89k+ 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] 88%
Chase a light beam: it still outruns you. That single fact rebuilds spacetime from scratch.
by Cox 2009
4.05
10k+ ratings
How to Invent Everything
by Ryan North • 2018
Stranded in the past with nothing but your wits, and the flowchart says you're before 50,000 BCE.
4.14
6k+
How to Invent Everything Summary
How to Invent Everything 88%
Stranded in the past with nothing but your wits, and the flowchart says you're before 50,000 BCE.
by Ryan North 2018
4.14
6k+ ratings
Accelerando
by Charles Stross • 2005
He gives away ideas that trigger the singularity, while an AI cat engineers his family's fate.
3.87
22k+
Accelerando Summary
Accelerando 88%
He gives away ideas that trigger the singularity, while an AI cat engineers his family's fate.
by Charles Stross 2005
3.87
22k+ ratings
Light of the Jedi
by Charles Soule • 2021
A freighter explodes in hyperspace, raining debris on a system. Jedi unite to stop the cataclysm.
3.92
34k+
Light of the Jedi Summary
Light of the Jedi 88%
A freighter explodes in hyperspace, raining debris on a system. Jedi unite to stop the cataclysm.
by Charles Soule 2021
3.92
34k+ ratings
Einstein's Unfinished Symphony
by Marcia Bartusiak • 2000
Einstein predicted space-time ripples. The ear to hear them: four kilometers of laser.
4.04
203
Einstein's Unfinished Symphony Summary
Einstein's Unfinished Symphony 88%
Einstein predicted space-time ripples. The ear to hear them: four kilometers of laser.
by Marcia Bartusiak 2000
4.04
203 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 88%
Three forces unified. Gravity alone resists. The ten-dimensional theory that might finally crack it.
by Michio Kaku 2021
4.11
9k+ ratings
Ancillary Justice
by Ann Leckie • 2013
A warship AI, reduced to a single body, pursues the immortal ruler who executed her crew.
3.99
120k+
Ancillary Justice Summary
Ancillary Justice 88%
A warship AI, reduced to a single body, pursues the immortal ruler who executed her crew.
by Ann Leckie 2013
3.99
120k+ ratings
Speed
by Vaclav Smil • 2025
From geological drift to digital overdrive: how speed explains everything, and why it's breaking us.
3.31
29
Speed Summary
Speed 88%
From geological drift to digital overdrive: how speed explains everything, and why it's breaking us.
by Vaclav Smil 2025
3.31
29 ratings
Caliban’s War
by James S.A. Corey • 2012
On Ganymede, a missing girl's father and a marine chase an alien secret into interplanetary war.
4.39
186k+
Caliban’s War Summary
Caliban’s War 88%
On Ganymede, a missing girl's father and a marine chase an alien secret into interplanetary war.
by James S.A. Corey 2012
4.39
186k+ ratings
Cascade Failure
by L.M. Sagas • 2024
A deserter joins a ragtag crew and uncovers a terraforming weapon that silences entire planets.
3.88
4k+
Cascade Failure Summary
Cascade Failure 88%
A deserter joins a ragtag crew and uncovers a terraforming weapon that silences entire planets.
by L.M. Sagas 2024
3.88
4k+ ratings
The Universe in a Nutshell
by Stephen W. Hawking • 2001
How can a three-dimensional universe be a flat hologram? The physics that points toward an answer.
4.18
46k+
The Universe in a Nutshell Summary
The Universe in a Nutshell 88%
How can a three-dimensional universe be a flat hologram? The physics that points toward an answer.
by Stephen W. Hawking 2001
4.18
46k+ ratings
Eyes of the Void
by Adrian Tchaikovsky • 2022
The Architects return. A haunted navigator must uncover their secret while every faction hunts him.
4.19
21k+
Eyes of the Void Summary
Eyes of the Void 88%
The Architects return. A haunted navigator must uncover their secret while every faction hunts him.
by Adrian Tchaikovsky 2022
4.19
21k+ 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
To Infinity and Beyond
by Neil deGrasse Tyson • 2023
A cosmic tour where emptiness isn't empty, time bends, and most of reality remains invisible.
4.31
2k+
To Infinity and Beyond Summary
To Infinity and Beyond 88%
A cosmic tour where emptiness isn't empty, time bends, and most of reality remains invisible.
by Neil deGrasse Tyson 2023
4.31
2k+ ratings
The Engineer
by Will Wight • 2023
A wizard with seven past lives must unite a misfit crew to rescue their captured engineer.
4.41
6k+
The Engineer Summary
The Engineer 88%
A wizard with seven past lives must unite a misfit crew to rescue their captured engineer.
by Will Wight 2023
4.41
6k+ ratings
Trading in Danger
by Elizabeth Moon • 2003
A disgraced cadet captains a rusty freighter into a star system collapsing into war.
4.00
16k+
Trading in Danger Summary
Trading in Danger 88%
A disgraced cadet captains a rusty freighter into a star system collapsing into war.
by Elizabeth Moon 2003
4.00
16k+ ratings
The Space Barons
by Christian Davenport • 2018
Four billionaires bet private rockets could transform space. Then the rockets started landing.
4.10
4k+
The Space Barons Summary
The Space Barons 88%
Four billionaires bet private rockets could transform space. Then the rockets started landing.
by Christian Davenport 2018
4.10
4k+ ratings
Star Wars
by Timothy Zahn • 1991
An Imperial tactician uses art and Force-blocking creatures to outmaneuver a fragile New Republic.
4.18
104k+
Star Wars Summary
Star Wars 88%
An Imperial tactician uses art and Force-blocking creatures to outmaneuver a fragile New Republic.
by Timothy Zahn 1991
4.18
104k+ ratings
Rogue Protocol
by Martha Wells • 2018
A rogue android stows away to an abandoned station: the team's security is the real threat.
4.24
176k+
Rogue Protocol Summary
Rogue Protocol 88%
A rogue android stows away to an abandoned station: the team's security is the real threat.
by Martha Wells 2018
4.24
176k+ 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
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 88%
One idea unifies physics: add dimensions and the laws simplify. Why the cosmos may need ten.
by Michio Kaku 1994
4.15
24k+ ratings
Critical Mass
by Daniel Suarez • 2023
Three survivors must build a space civilization to rescue crewmates stranded on a distant asteroid.
4.17
5k+
Critical Mass Summary
Critical Mass 88%
Three survivors must build a space civilization to rescue crewmates stranded on a distant asteroid.
by Daniel Suarez 2023
4.17
5k+ ratings
The Diamond Age
by Neal Stephenson • 1995
A stolen, sentient primer teaches a poor girl to read, then to lead an army.
4.16
94k+
The Diamond Age Summary
The Diamond Age 88%
A stolen, sentient primer teaches a poor girl to read, then to lead an army.
by Neal Stephenson 1995
4.16
94k+ ratings
The Quantum Universe
by Brian Cox • 2011
A theory that defies common sense underlies transistors, lasers, and every atom in your body.
3.76
5k+
The Quantum Universe Summary
The Quantum Universe 88%
A theory that defies common sense underlies transistors, lasers, and every atom in your body.
by Brian Cox 2011
3.76
5k+ 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 88%
How equations reveal curved spacetime and time's arrow, no physics degree required.
by Sean Carroll 2022
4.00
2k+ ratings
The Singularity Is Nearer
by Ray Kurzweil • 2024
AI surpasses humans by 2029. The plan is not to compete but to merge.
3.89
5k+
The Singularity Is Nearer Summary
The Singularity Is Nearer 87%
AI surpasses humans by 2029. The plan is not to compete but to merge.
by Ray Kurzweil 2024
3.89
5k+ ratings
The Year in Tech 2022
by Harvard Business Review • 2021
Brain sensors at work. Doctor-prescribed apps. The tech trends reshaping business.
3.56
176
The Year in Tech 2022 Summary
The Year in Tech 2022 87%
Brain sensors at work. Doctor-prescribed apps. The tech trends reshaping business.
by Harvard Business Review 2021
3.56
176 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 31,
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