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...
Validating Product Ideas
by Tomer Sharon • 2016
Know if anyone wants it before you build. Lean experiments for testing product ideas, fast.
4.10
289
Validating Product Ideas Summary
Validating Product Ideas 88%
Know if anyone wants it before you build. Lean experiments for testing product ideas, fast.
by Tomer Sharon 2016
4.10
289 ratings
Rocket Surgery Made Easy
by Steve Krug • 2009
Usability testing sounds expensive and complex. A three-person, one-morning method proves it isn't.
4.14
4k+
Rocket Surgery Made Easy Summary
Rocket Surgery Made Easy 88%
Usability testing sounds expensive and complex. A three-person, one-morning method proves it isn't.
by Steve Krug 2009
4.14
4k+ ratings
Agile Testing
by Lisa Crispin • 2008
Shift quality left: a practical guide to weaving testing into every day of agile development.
3.82
1k+
Agile Testing Summary
Agile Testing 88%
Shift quality left: a practical guide to weaving testing into every day of agile development.
by Lisa Crispin 2008
3.82
1k+ ratings
Value Proposition Design
by Alexander Osterwalder • 2013
Map customer needs to product features with a single canvas, and kill the offerings nobody wants.
4.21
7k+
Value Proposition Design Summary
Value Proposition Design 87%
Map customer needs to product features with a single canvas, and kill the offerings nobody wants.
by Alexander Osterwalder 2013
4.21
7k+ ratings
Start at the End
by Matt Wallaert • 2019
Most products try to motivate. The ones that stick remove what's in the way.
3.81
433
Start at the End Summary
Start at the End 87%
Most products try to motivate. The ones that stick remove what's in the way.
by Matt Wallaert 2019
3.81
433 ratings
The Right It
by Alberto Savoia • 2019
Skill can't save an unwanted idea. Fast, cheap experiments that test market demand before building.
4.30
850
The Right It Summary
The Right It 87%
Skill can't save an unwanted idea. Fast, cheap experiments that test market demand before building.
by Alberto Savoia 2019
4.30
850 ratings
Talking to Humans
by Giff Constable • 2014
A concise guide to customer interviews that separate real demand from polite lies.
4.06
2k+
Talking to Humans Summary
Talking to Humans 87%
A concise guide to customer interviews that separate real demand from polite lies.
by Giff Constable 2014
4.06
2k+ ratings
Effective Unit Testing
by Lasse Koskela • 2012
A slow test suite kills productivity. The craft rules for fast, trustworthy unit tests.
3.80
118
Effective Unit Testing Summary
Effective Unit Testing 87%
A slow test suite kills productivity. The craft rules for fast, trustworthy unit tests.
by Lasse Koskela 2012
3.80
118 ratings
Product Design for the Web
by Randy J. Hunt • 2013
Why shipping early and designing the invisible parts matters more than getting the pixels right.
3.76
278
Product Design for the Web Summary
Product Design for the Web 87%
Why shipping early and designing the invisible parts matters more than getting the pixels right.
by Randy J. Hunt 2013
3.76
278 ratings
UX Research
by Brad Nunnally • 2016
What to ask, who to ask, and how to turn their answers into better products.
3.68
263
UX Research Summary
UX Research 87%
What to ask, who to ask, and how to turn their answers into better products.
by Brad Nunnally 2016
3.68
263 ratings
Testing in Scrum
by Tilo Linz • 2014
Shift from a last-minute quality gate to testing woven into every sprint and commit.
3.72
25
Testing in Scrum Summary
Testing in Scrum 87%
Shift from a last-minute quality gate to testing woven into every sprint and commit.
by Tilo Linz 2014
3.72
25 ratings
Designing Products People Love
by Scott Hurff • 2015
Most products fail in their empty and error states: a playbook for designing all five.
4.11
271
Designing Products People Love Summary
Designing Products People Love 87%
Most products fail in their empty and error states: a playbook for designing all five.
by Scott Hurff 2015
4.11
271 ratings
Evidence-Guided
by Itamar Gilad • 2023
Why most product teams ship the wrong features, and the framework that stops them.
4.46
178
Evidence-Guided Summary
Evidence-Guided 87%
Why most product teams ship the wrong features, and the framework that stops them.
by Itamar Gilad 2023
4.46
178 ratings
The Art of Unit Testing
by Roy Osherove • 2009
C# unit testing without the brittle tests: stubs, mocks, and the isolation patterns that work.
4.09
1k+
The Art of Unit Testing Summary
The Art of Unit Testing 87%
C# unit testing without the brittle tests: stubs, mocks, and the isolation patterns that work.
by Roy Osherove 2009
4.09
1k+ ratings
Paper Prototyping
by Carolyn Snyder • 2003
Paper screens, a colleague at the controls: find the fatal flaws while fixing them is free.
3.78
207
Paper Prototyping Summary
Paper Prototyping 87%
Paper screens, a colleague at the controls: find the fatal flaws while fixing them is free.
by Carolyn Snyder 2003
3.78
207 ratings
UX for Lean Startups
by Laura Klein • 2013
Prove anyone wants your product before you build it: lightweight UX methods for lean startups.
4.10
2k+
UX for Lean Startups Summary
UX for Lean Startups 87%
Prove anyone wants your product before you build it: lightweight UX methods for lean startups.
by Laura Klein 2013
4.10
2k+ ratings
Inspired
by Marty Cagan • 2008
Why the best product teams don't take orders. They discover what customers need, fast.
4.23
26k+
Inspired Summary
Inspired 86%
Why the best product teams don't take orders. They discover what customers need, fast.
by Marty Cagan 2008
4.23
26k+ 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 86%
Learn to debug like a detective: reproduce the crime, divide the scene, and never guess.
by David J. Agans 2002
4.26
509 ratings
Click
by Jake Knapp • 2025
Find what customers actually want in five days, with five people, before you build anything.
4.10
372
Click Summary
Click 86%
Find what customers actually want in five days, with five people, before you build anything.
by Jake Knapp 2025
4.10
372 ratings
How to Dunk a Doughnut
by Len Fisher • 2002
A physicist unpacks the hidden forces inside a doughnut dunk, a boiled egg, and a boomerang.
3.34
277
How to Dunk a Doughnut Summary
How to Dunk a Doughnut 86%
A physicist unpacks the hidden forces inside a doughnut dunk, a boiled egg, and a boomerang.
by Len Fisher 2002
3.34
277 ratings
Continuous Discovery Habits
by Teresa Torres • 2021
Weekly customer interviews mapped to opportunities: the system that ships value, not features.
4.44
5k+
Continuous Discovery Habits Summary
Continuous Discovery Habits 86%
Weekly customer interviews mapped to opportunities: the system that ships value, not features.
by Teresa Torres 2021
4.44
5k+ ratings
Design Sprint
by Richard Banfield • 2015
Five days, one room, a tested prototype: the workshop that tells you what to build next.
3.79
219
Design Sprint Summary
Design Sprint 86%
Five days, one room, a tested prototype: the workshop that tells you what to build next.
by Richard Banfield 2015
3.79
219 ratings
Creative Selection
by Ken Kocienda • 2018
How Apple's engineers really worked: no sudden genius, just relentless demos and decisive taste.
4.05
5k+
Creative Selection Summary
Creative Selection 86%
How Apple's engineers really worked: no sudden genius, just relentless demos and decisive taste.
by Ken Kocienda 2018
4.05
5k+ ratings
When Coffee and Kale Compete
by Alan Klement • 2018
Stop asking what features to add. Ask what progress your customer is trying to make.
4.01
696
When Coffee and Kale Compete Summary
When Coffee and Kale Compete 86%
Stop asking what features to add. Ask what progress your customer is trying to make.
by Alan Klement 2018
4.01
696 ratings
Sprint
by Jake Knapp • 2016
The five-day sprint that replaces endless debate with sketch, decide, prototype, and test.
4.18
24k+
Sprint Summary
Sprint 86%
The five-day sprint that replaces endless debate with sketch, decide, prototype, and test.
by Jake Knapp 2016
4.18
24k+ 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 86%
From cylinders to microchips: the hidden pursuit of perfect smoothness that built the modern world.
by Simon Winchester 2018
4.15
7k+ ratings
Software Engineering at Google
by Titus Winters • 2020
Google's testing playbook: 80/20, test behaviors not methods, write tests that never rot.
4.20
2k+
Software Engineering at Google Summary
Software Engineering at Google 86%
Google's testing playbook: 80/20, test behaviors not methods, write tests that never rot.
by Titus Winters 2020
4.20
2k+ ratings
Lean Customer Development
by Cindy Alvarez • 2014
Save five hours of wasted development for every hour you spend talking to customers.
4.18
1k+
Lean Customer Development Summary
Lean Customer Development 86%
Save five hours of wasted development for every hour you spend talking to customers.
by Cindy Alvarez 2014
4.18
1k+ ratings
Insanely Simple
by Ken Segall • 2012
Apple's secret: a hatred of complexity that governs teams, products, marketing. An insider explains.
3.91
6k+
Insanely Simple Summary
Insanely Simple 86%
Apple's secret: a hatred of complexity that governs teams, products, marketing. An insider explains.
by Ken Segall 2012
3.91
6k+ ratings
A Project Guide to UX Design
by Russ Unger • 2009
The methods and documents that carry a UX project from first requirement to final design.
3.87
2k+
A Project Guide to UX Design Summary
A Project Guide to UX Design 86%
The methods and documents that carry a UX project from first requirement to final design.
by Russ Unger 2009
3.87
2k+ ratings
Just Enough Research
by Erika Hall • 2013
The research you need fits in a sprint, not a dissertation. How to investigate, decide, and ship.
4.19
2k+
Just Enough Research Summary
Just Enough Research 86%
The research you need fits in a sprint, not a dissertation. How to investigate, decide, and ship.
by Erika Hall 2013
4.19
2k+ ratings
Software Requirements
by Karl Wiegers • 1999
Nearly half of all software defects trace back to bad requirements. The fix starts here.
4.14
859
Software Requirements Summary
Software Requirements 86%
Nearly half of all software defects trace back to bad requirements. The fix starts here.
by Karl Wiegers 1999
4.14
859 ratings
Usability Engineering
by Jakob Nielsen • 1993
Usability is engineering, not art. Five dimensions, ten heuristics, one rule: test with real users.
3.97
277
Usability Engineering Summary
Usability Engineering 86%
Usability is engineering, not art. Five dimensions, ten heuristics, one rule: test with real users.
by Jakob Nielsen 1993
3.97
277 ratings
The Power of Experiments
by Michael Luca • 2020
eBay's experiment killed $50 million in ads. Here's how to run yours.
3.46
246
The Power of Experiments Summary
The Power of Experiments 86%
eBay's experiment killed $50 million in ads. Here's how to run yours.
by Michael Luca 2020
3.46
246 ratings
Testing Business Ideas
by David J. Bland • 2019
A field-tested library of experiments to test any business idea, fast and without wasting a fortune.
4.25
1k+
Testing Business Ideas Summary
Testing Business Ideas 86%
A field-tested library of experiments to test any business idea, fast and without wasting a fortune.
by David J. Bland 2019
4.25
1k+ ratings
Well-Designed
by Jon Kolko • 2014
The best products win on emotion, not features. How to design with empathy instead of assumptions.
3.89
512
Well-Designed Summary
Well-Designed 86%
The best products win on emotion, not features. How to design with empathy instead of assumptions.
by Jon Kolko 2014
3.89
512 ratings
Outcomes Over Output
by Josh Seiden • 2019
Stop asking what to build and start asking what your customers should do differently.
4.33
2k+
Outcomes Over Output Summary
Outcomes Over Output 86%
Stop asking what to build and start asking what your customers should do differently.
by Josh Seiden 2019
4.33
2k+ ratings
Lean UX
by Jeff Gothelf • 2012
Kill the wireframes: a system for testing UX assumptions one sprint at a time.
3.99
7k+
Lean UX Summary
Lean UX 86%
Kill the wireframes: a system for testing UX assumptions one sprint at a time.
by Jeff Gothelf 2012
3.99
7k+ ratings
What Would Apple Do?
by Dirk Beckmann • 2013
The design and business rules Apple uses to dominate industries, and how to steal them.
3.21
43
What Would Apple Do? Summary
What Would Apple Do? 86%
The design and business rules Apple uses to dominate industries, and how to steal them.
by Dirk Beckmann 2013
3.21
43 ratings
Lean Vs. Agile Vs. Design Thinking
by Jeff Gothelf • 2017
Agile for engineers, Lean for product, Design Thinking for design. The power is where they meet.
3.74
704
Lean Vs. Agile Vs. Design Thinking Summary
Lean Vs. Agile Vs. Design Thinking 86%
Agile for engineers, Lean for product, Design Thinking for design. The power is where they meet.
by Jeff Gothelf 2017
3.74
704 ratings
Lean Inception
by Paulo Caroli • 2018
The workshop recipe that aligns a team and defines the right MVP, no code needed.
4.07
446
Lean Inception Summary
Lean Inception 86%
The workshop recipe that aligns a team and defines the right MVP, no code needed.
by Paulo Caroli 2018
4.07
446 ratings
UX Strategy
by Jaime Levy • 2014
Stop building what nobody asked for: a research-to-launch playbook for digital product teams.
3.94
1k+
UX Strategy Summary
UX Strategy 86%
Stop building what nobody asked for: a research-to-launch playbook for digital product teams.
by Jaime Levy 2014
3.94
1k+ ratings
Product Management For Dummies
by Brian Lawley • 2017
The product manager's go-to guide: making the right calls from spark to launch to retirement.
3.91
243
Product Management For Dummies Summary
Product Management For Dummies 86%
The product manager's go-to guide: making the right calls from spark to launch to retirement.
by Brian Lawley 2017
3.91
243 ratings
Escaping the Build Trap
by Melissa Perri • 2018
Feature factories ship output. Products need outcomes. The framework for making the switch.
4.28
5k+
Escaping the Build Trap Summary
Escaping the Build Trap 86%
Feature factories ship output. Products need outcomes. The framework for making the switch.
by Melissa Perri 2018
4.28
5k+ ratings
Consumerology
by Philip Graves • 2010
Consumers can't tell you why they buy. Asking them just invents false reasons. Watch them instead.
3.50
264
Consumerology Summary
Consumerology 86%
Consumers can't tell you why they buy. Asking them just invents false reasons. Watch them instead.
by Philip Graves 2010
3.50
264 ratings
What Customers Want
by Anthony W. Ulwick • 2005
Customers can't design your product. Their unmet success metrics, scored by a single algorithm, can.
4.03
617
What Customers Want Summary
What Customers Want 86%
Customers can't design your product. Their unmet success metrics, scored by a single algorithm, can.
by Anthony W. Ulwick 2005
4.03
617 ratings
The Art of Innovation
by Tom Kelley • 2001
How the firm behind Apple's first mouse systematized innovation into a repeatable process.
3.95
8k+
The Art of Innovation Summary
The Art of Innovation 86%
How the firm behind Apple's first mouse systematized innovation into a repeatable process.
by Tom Kelley 2001
3.95
8k+ ratings
The Evolution of Useful Things
by Henry Petroski • 1994
Annoyance, not function, gave us forks, zippers, paper clips. The real driver of everyday design.
3.52
1k+
The Evolution of Useful Things Summary
The Evolution of Useful Things 86%
Annoyance, not function, gave us forks, zippers, paper clips. The real driver of everyday design.
by Henry Petroski 1994
3.52
1k+ ratings
The Rebel's Guide to Email Marketing
by D.J. Waldow • 2012
Your email playbook is making you invisible. How to get opened, clicked, and read.
3.72
71
The Rebel's Guide to Email Marketing Summary
The Rebel's Guide to Email Marketing 86%
Your email playbook is making you invisible. How to get opened, clicked, and read.
by D.J. Waldow 2012
3.72
71 ratings
TRIZ For Dummies
by Lilly Haines-Gadd • 2016
Turn impossible trade-offs into breakthroughs. A patent-proven method for systematic innovation.
4.07
54
TRIZ For Dummies Summary
TRIZ For Dummies 86%
Turn impossible trade-offs into breakthroughs. A patent-proven method for systematic innovation.
by Lilly Haines-Gadd 2016
4.07
54 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