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 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 93%
Skill can't save an unwanted idea. Fast, cheap experiments that test market demand before building.
by Alberto Savoia 2019
4.30
850 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 93%
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
The Lean Startup
by Eric Ries • 2011
The method that discovers what customers will pay for before you build the product.
4.11
366k+
The Lean Startup Summary
The Lean Startup 93%
The method that discovers what customers will pay for before you build the product.
by Eric Ries 2011
4.11
366k+ ratings
Running Lean
by Ash Maurya • 2012
A one-page model, a few uncomfortable customer conversations, and zero code until someone pays.
4.10
21k+
Running Lean Summary
Running Lean 92%
A one-page model, a few uncomfortable customer conversations, and zero code until someone pays.
by Ash Maurya 2012
4.10
21k+ ratings
The Lean Entrepreneur
by Brant Cooper • 2012
Your vision is worthless until tested. Find real customers, build what sells.
4.11
2k+
The Lean Entrepreneur Summary
The Lean Entrepreneur 92%
Your vision is worthless until tested. Find real customers, build what sells.
by Brant Cooper 2012
4.11
2k+ 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 92%
Why most product teams ship the wrong features, and the framework that stops them.
by Itamar Gilad 2023
4.46
178 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 92%
Kill the wireframes: a system for testing UX assumptions one sprint at a time.
by Jeff Gothelf 2012
3.99
7k+ 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 92%
Stop asking what to build and start asking what your customers should do differently.
by Josh Seiden 2019
4.33
2k+ 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 92%
The five-day sprint that replaces endless debate with sketch, decide, prototype, and test.
by Jake Knapp 2016
4.18
24k+ ratings
The 7 Day Startup
by Dan Norris • 2014
Forget business plans. Launch in seven days, and let paying customers teach you what to build.
4.00
2k+
The 7 Day Startup Summary
The 7 Day Startup 92%
Forget business plans. Launch in seven days, and let paying customers teach you what to build.
by Dan Norris 2014
4.00
2k+ 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 92%
The workshop recipe that aligns a team and defines the right MVP, no code needed.
by Paulo Caroli 2018
4.07
446 ratings
The Innovator's Method
by Nathan Furr • 2014
Ten times the experiments, zero waste: a systematic approach to innovation for large organizations.
4.12
716
The Innovator's Method Summary
The Innovator's Method 92%
Ten times the experiments, zero waste: a systematic approach to innovation for large organizations.
by Nathan Furr 2014
4.12
716 ratings
Hacking Growth
by Sean Ellis • 2017
Build a team that runs 30 growth experiments a week; here is the structure and process.
4.11
6k+
Hacking Growth Summary
Hacking Growth 92%
Build a team that runs 30 growth experiments a week; here is the structure and process.
by Sean Ellis 2017
4.11
6k+ ratings
48-Hour Start-up
by Fraser Doherty • 2017
Monday morning, you could own a business: the two-day sprint that forces an idea into the market.
3.84
530
48-Hour Start-up Summary
48-Hour Start-up 91%
Monday morning, you could own a business: the two-day sprint that forces an idea into the market.
by Fraser Doherty 2017
3.84
530 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 91%
Map customer needs to product features with a single canvas, and kill the offerings nobody wants.
by Alexander Osterwalder 2013
4.21
7k+ ratings
Lean Analytics
by Alistair Croll • 2013
Pick the right metric, ignore the rest: a stage-by-stage field guide to startup analytics.
4.11
8k+
Lean Analytics Summary
Lean Analytics 91%
Pick the right metric, ignore the rest: a stage-by-stage field guide to startup analytics.
by Alistair Croll 2013
4.11
8k+ 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 91%
Save five hours of wasted development for every hour you spend talking to customers.
by Cindy Alvarez 2014
4.18
1k+ ratings
The Startup Owner's Manual Strategy Guide
by Steve Blank • 2012
The original playbook for founders: stop guessing, start testing, find a business model that scales.
4.28
109
The Startup Owner's Manual Strategy Guide Summary
The Startup Owner's Manual Strategy Guide 91%
The original playbook for founders: stop guessing, start testing, find a business model that scales.
by Steve Blank 2012
4.28
109 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 91%
Prove anyone wants your product before you build it: lightweight UX methods for lean startups.
by Laura Klein 2013
4.10
2k+ 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 91%
Agile for engineers, Lean for product, Design Thinking for design. The power is where they meet.
by Jeff Gothelf 2017
3.74
704 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 91%
Feature factories ship output. Products need outcomes. The framework for making the switch.
by Melissa Perri 2018
4.28
5k+ ratings
Lean Software Development
by Mary Poppendieck • 2003
The lean manufacturing toolkit, adapted for software teams: cut waste, ship faster, decide later.
4.19
1k+
Lean Software Development Summary
Lean Software Development 91%
The lean manufacturing toolkit, adapted for software teams: cut waste, ship faster, decide later.
by Mary Poppendieck 2003
4.19
1k+ 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 91%
Why the best product teams don't take orders. They discover what customers need, fast.
by Marty Cagan 2008
4.23
26k+ ratings
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 91%
Know if anyone wants it before you build. Lean experiments for testing product ideas, fast.
by Tomer Sharon 2016
4.10
289 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 91%
A concise guide to customer interviews that separate real demand from polite lies.
by Giff Constable 2014
4.06
2k+ ratings
Startup Weekend
by Marc Nager • 2011
An idea, a weekend, and the right strangers: how 54 hours launches a startup.
3.58
272
Startup Weekend Summary
Startup Weekend 91%
An idea, a weekend, and the right strangers: how 54 hours launches a startup.
by Marc Nager 2011
3.58
272 ratings
The Entrepreneurial Mindset
by Rita Gunther McGrath • 2000
Build a venture pipeline from uncertainty: spot, test lean, and seize before competitors react.
4.19
264
The Entrepreneurial Mindset Summary
The Entrepreneurial Mindset 91%
Build a venture pipeline from uncertainty: spot, test lean, and seize before competitors react.
by Rita Gunther McGrath 2000
4.19
264 ratings
Little Bets
by Peter Sims • 2011
Big visions are overrated. Real innovators run dozens of small experiments instead.
3.77
4k+
Little Bets Summary
Little Bets 91%
Big visions are overrated. Real innovators run dozens of small experiments instead.
by Peter Sims 2011
3.77
4k+ ratings
Lean Learning
by Pat Flynn • 2025
Stop hoarding info. One question finds your smallest next step; the rule: act before you feel ready.
4.04
435
Lean Learning Summary
Lean Learning 91%
Stop hoarding info. One question finds your smallest next step; the rule: act before you feel ready.
by Pat Flynn 2025
4.04
435 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 91%
Find what customers actually want in five days, with five people, before you build anything.
by Jake Knapp 2025
4.10
372 ratings
The Power of Little Ideas
by David C. Robertson • 2017
The real innovation wins come not from disruption but from complementing your strongest product.
3.88
229
The Power of Little Ideas Summary
The Power of Little Ideas 91%
The real innovation wins come not from disruption but from complementing your strongest product.
by David C. Robertson 2017
3.88
229 ratings
The Defense
by Steve Cavanagh • 2016
When bureaucratic defense fails, a classroom experiment brings startup speed to national security.
4.01
54k+
The Defense Summary
The Defense 91%
When bureaucratic defense fails, a classroom experiment brings startup speed to national security.
by Steve Cavanagh 2016
4.01
54k+ ratings
Sense and Respond
by Jeff Gothelf • 2017
Plans break when markets shift fast. The winners listen, experiment, and adapt without waiting.
4.02
540
Sense and Respond Summary
Sense and Respond 91%
Plans break when markets shift fast. The winners listen, experiment, and adapt without waiting.
by Jeff Gothelf 2017
4.02
540 ratings
The Lean Product Playbook
by Dan Olsen • 2015
Test cheaply, validate early, build what customers pay for: a product manager's lean playbook.
4.27
4k+
The Lean Product Playbook Summary
The Lean Product Playbook 91%
Test cheaply, validate early, build what customers pay for: a product manager's lean playbook.
by Dan Olsen 2015
4.27
4k+ ratings
Design to Grow
by David Butler • 2015
Scale and agility usually fight; Coca-Cola used design to get both at once.
3.74
369
Design to Grow Summary
Design to Grow 91%
Scale and agility usually fight; Coca-Cola used design to get both at once.
by David Butler 2015
3.74
369 ratings
Start Small, Stay Small
by Rob Walling • 2010
Stop building products for everyone. Pick a niche, build an audience, and market before you code.
3.95
2k+
Start Small, Stay Small Summary
Start Small, Stay Small 91%
Stop building products for everyone. Pick a niche, build an audience, and market before you code.
by Rob Walling 2010
3.95
2k+ ratings
Think Like Amazon
by ROSSMAN • 2019
The 50.5 principles that turned an online bookstore into the world's most relentless company.
4.08
440
Think Like Amazon Summary
Think Like Amazon 91%
The 50.5 principles that turned an online bookstore into the world's most relentless company.
by ROSSMAN 2019
4.08
440 ratings
Lean Impact
by Ann Mei Chang • 2018
Lean startup methods can multiply social impact, once we reward experiments over activity.
4.02
370
Lean Impact Summary
Lean Impact 91%
Lean startup methods can multiply social impact, once we reward experiments over activity.
by Ann Mei Chang 2018
4.02
370 ratings
Nail It then Scale It
by Nathan Furr • 2010
Most startups die building what nobody needs. Find a real pain, solve it tight, grow only then.
4.12
939
Nail It then Scale It Summary
Nail It then Scale It 91%
Most startups die building what nobody needs. Find a real pain, solve it tight, grow only then.
by Nathan Furr 2010
4.12
939 ratings
Modern CTO
by Joel Beasley • 2018
Great developers fail as CTOs until they learn leading, shipping, and hard calls.
3.42
267
Modern CTO Summary
Modern CTO 91%
Great developers fail as CTOs until they learn leading, shipping, and hard calls.
by Joel Beasley 2018
3.42
267 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 91%
Stop asking what features to add. Ask what progress your customer is trying to make.
by Alan Klement 2018
4.01
696 ratings
Rework
by Jason Fried • 2010
Business plans are guesses, meetings destroy focus, and waiting to launch is a trap.
3.97
176k+
Rework Summary
Rework 91%
Business plans are guesses, meetings destroy focus, and waiting to launch is a trap.
by Jason Fried 2010
3.97
176k+ ratings
The Startup Way
by Eric Ries • 2017
Startup speed inside slow giants: turning divisions into labs and failure into fuel.
3.98
4k+
The Startup Way Summary
The Startup Way 91%
Startup speed inside slow giants: turning divisions into labs and failure into fuel.
by Eric Ries 2017
3.98
4k+ ratings
Levers
by Amos Schwartzfarb • 2021
Replace intuition with math: a founder's framework for building a predictable, repeatable business.
4.19
166
Levers Summary
Levers 91%
Replace intuition with math: a founder's framework for building a predictable, repeatable business.
by Amos Schwartzfarb 2021
4.19
166 ratings
Fail Fast, Fail Often
by Ryan Babineaux • 2013
Successful people collect more failures than anyone else. What they do with them.
3.97
856
Fail Fast, Fail Often Summary
Fail Fast, Fail Often 91%
Successful people collect more failures than anyone else. What they do with them.
by Ryan Babineaux 2013
3.97
856 ratings
The Four Steps to the Epiphany
by Steve Blank • 2003
Build it and they will come is a lie. The startup playbook: learn, then build.
3.96
17k+
The Four Steps to the Epiphany Summary
The Four Steps to the Epiphany 91%
Build it and they will come is a lie. The startup playbook: learn, then build.
by Steve Blank 2003
3.96
17k+ ratings
Design a Better Business
by Patrick van der Pijl • 2016
Replace business plans with business experiments: the visual toolkit for strategy and innovation.
4.14
318
Design a Better Business Summary
Design a Better Business 90%
Replace business plans with business experiments: the visual toolkit for strategy and innovation.
by Patrick van der Pijl 2016
4.14
318 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 90%
Most products fail in their empty and error states: a playbook for designing all five.
by Scott Hurff 2015
4.11
271 ratings
The Minimalist Entrepreneur
by Sahil Lavingia • 2021
Community first, product second: the art of building a profitable startup without venture capital.
4.20
2k+
The Minimalist Entrepreneur Summary
The Minimalist Entrepreneur 90%
Community first, product second: the art of building a profitable startup without venture capital.
by Sahil Lavingia 2021
4.20
2k+ 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 90%
Weekly customer interviews mapped to opportunities: the system that ships value, not features.
by Teresa Torres 2021
4.44
5k+ 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