I read books to make better decisions and improve my life. I also forget a lot.

These book summaries are my way of retaining more information and understanding the books better. I share them online as free tools, and I hope you’ll find them helpful.

 

About my book summaries

Why are my book summaries so long? My goal is to capture 90% of the value of the book in 10% of the text. If I later forget what a book’s about, I can quickly retain most of its content by reading my summary. Thus my summaries usually have a 10:1 ratio – a 300-page book will be condensed to 30 pages.

Most other summaries I’ve seen capture just 30% of the value in 2% of the text – a 300-page book might be captured in 6 pages. While these shorter summaries contain the main points, I find them unhelpful for actually changing my behavior. When the summaries are too high-level, they flow like water off a duck’s back.

In the same way, no one became more moral just by reading the Ten Commandments.

Instead, I like reinforcing a book’s main points with its key research studies and illustrative anecdotes. I like questioning a book’s assumptions and slotting it into mental models from other books. My summaries also include discussion questions to apply concepts to your own life.

In all cases, if you like a book summary, I encourage you to read the original book. They often contain more color and personality than my writing, and explore subtleties I might ignore.

 

List of summaries

techrev_cover

Technological Revolutions and Financial Capital, by Carlota Perez

hooked_cover

Hooked: How to Build Habit-Forming Products, by Nir Eyal

thegoal_cover

The Goal: A Process of Ongoing Improvement, by Eliyahu Goldratt

basiceconomics_cover

Basic Economics: A Common Sense Guide to the Economy, by Thomas Sowell

principles_cover

Principles: Life and Work, by Ray Dalio

theoryoffun_cover

A Theory of Fun for Game Design, by Raph Koster

powerofhabit_cover

The Power of Habit: Why We Do What We Do in Life and Business, by Charles Duhigg

newjimcrow_cover

The New Jim Crow: Mass Incarceration in the Age of Colorblindness, by Michelle Alexander

expecting_cover

Expecting Better: Why the Conventional Pregnancy Wisdom is Wrong, by Emily Oster

blueocean_cover

Blue Ocean Strategy: How to Create Uncontested Market Space and Make the Competition Irrelevant, by Renee Mauborgne and W Chan Kim

feature_upstarts

The Upstarts (Uber and Airbnb History), by Brad Stone

feature_drive

Drive: The Surprising Truth about What Motivates Us, by Daniel Pink

feature_leanstartup

The Lean Startup, by Eric Ries

feature_shoedog

Shoe Dog: A Memoir by the Creator of Nike, by Phil Knight

feature_carrotssticks

Carrots and Sticks Don’t Work, by Paul Marciano

feature_giveandtake

Give and Take: Why Helping Others Drives our Success, by Adam Grant

feature_charlie_almanack

Poor Charlie’s Almanack, by Charlie Munger

feature_grit

Grit: The Power of Passion and Perseverance, by Angela Duckworth

feature_toolsoftitans

Tools of Titans: The Tactics, Routines, and Habits of Billionaires, Icons, and World-Class Performers, by Tim Ferriss

feature_hownottodie

How Not to Die, by Michael Greger

 

 

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