ybooks

Why books?

Because a book is the highest-bandwidth channel we have into another mind — months, sometimes decades, of one person’s thinking, compressed into a few hours you can hold in one hand.

Three answers, every claim with a link to its source:

2,976 sourced book recommendations from 187 named people · latest added 4 Sep 2026

01 — Why reading matters

The short answer

And what the research found

Three findings that survive being read carefully. Each carries the study, the sample size, and what it does not prove.

20%

lower mortality risk over 12 years

Book readers outlive non-readers

Yale researchers followed 3,635 adults over 50 for up to 12 years. Book readers had a 20% lower risk of dying during the study than non-readers (hazard ratio 0.80). Even under 3.5 hours a week showed the effect, and books beat newspapers and magazines — reading a book was doing something reading a periodical was not.

The honest caveat. Observational. Adjusted for age, sex, race, education, wealth, comorbidities, self-rated health, marital status, depression, vision and employment — and after that adjustment the raw 23-month survival gap shrinks to about 4 months. The risk ratio is the robust finding; "reading adds two years to your life" is not what this says.

Bavishi, Slade & Levy, "A chapter a day: Association of book reading with longevity", Social Science & Medicine 164 (2016)

32%

slower late-life cognitive decline

A reading life ages better than the brain it sits in

Rush University tested 294 people annually until they died, then examined their brains. Frequent readers and writers declined about 32% more slowly than average; the least mentally active declined about 48% faster — and this held after accounting for the physical damage found at autopsy. Two people with the same plaques and tangles did not end up in the same cognitive place.

The honest caveat. Reading was measured together with writing and other cognitive activity, so this is not a books-specific result. Reverse causation is live: an early decline can reduce reading rather than the other way round.

Wilson et al., "Life-span cognitive activity, neuropathologic burden, and cognitive aging", Neurology 81(4) (2013)

80

books at home is where most of the gain lands

Growing up around books shows up in adults decades later

Across 31 societies, the number of books in the home at age 16 predicted adult literacy, numeracy and digital problem-solving — over and above the parents’ education and the person’s own schooling and job. A teenager in a bookish home who left school early ended up roughly as literate as a university graduate from a bookless one. The curve is steepest early: going from almost none to about 80 books buys most of the effect, with gains continuing to around 350.

The honest caveat. Home library size is also a proxy for things it is hard to measure — parental attitudes, family stability, income beyond what the controls capture. Buying 80 books is not the intervention this study tested.

Sikora, Evans & Kelley, "Scholarly culture: How books in adolescence enhance adult literacy, numeracy and technology skills in 31 societies", Social Science Research 77 (2019)

All five findings, the arguments that aren’t science, and the popular claims this site refuses to make →

02 — Social proof

What notable people say about reading

Why they think it matters, in their own words. The reading quotes that circulate most widely are mostly invented, so every one of these names the work and the year. Bold is ours; not a word is changed.

What an astonishing thing a book is. It’s a flat object made from a tree with flexible parts on which are imprinted lots of funny dark squiggles. But one glance at it and you’re inside the mind of another person, maybe somebody dead for thousands of years. Across the millennia, an author is speaking clearly and silently inside your head, directly to you. […] Books break the shackles of time. A book is proof that humans are capable of working magic.
Carl Sagan Astronomer Cosmos: A Personal Voyage, episode 11, "The Persistence of Memory" (1980)
You think your pain and your heartbreak are unprecedented in the history of the world, but then you read. It was books that taught me that the things that tormented me most were the very things that connected me with all the people who were alive, or who had ever been alive.
James Baldwin Novelist and essayist Interview with Jane Howard, "Doom and Glory of Knowing Who You Are", LIFE, 24 May 1963
Read 500 pages like this every day. That’s how knowledge works. It builds up, like compound interest. All of you can do it, but I guarantee not many of you will do it.
Warren Buffett Investor To a Columbia Business School class, recounted years later by Todd Combs — reported speech, not a published line
At a time when events move so quickly and so much information is transmitted, the ability to slow down and get perspective, along with the ability to get in somebody else’s shoes — those two things have been invaluable to me.
Barack Obama 44th President of the United States Interview with Michiko Kakutani, The New York Times, 16 January 2017

All 16 quotes by theme — plus three famous ones nobody actually said →

03 — On the record

What notable people are reading

Not a curated list of what they should read. These are things named people said in public, in their own words, each with a link to the post or page where they said it.

The books they agree on

Ranked by how many different people recommended each one. One person praising a book four times is still one opinion.

  1. Guns, Germs, and Steel Jared Diamond 5 people
  2. Structure and Interpretation of Computer Programs Harold Abelson 5 people
  3. The Design of Everyday Things Donald A. Norman 5 people
  4. The Mythical Man-Month Frederick P. Brooks 5 people
  5. Sapiens Yuval Noah Harari 4 people
  6. The Beginning of Infinity David Deutsch 4 people
  7. Amusing Ourselves to Death Neil Postman 4 people
  8. Breakneck: China's Quest to Engineer the Future Dan Wang 4 people
  9. Don't Make Me Think Steve Krug 4 people
  10. Influence Robert Cialdini 4 people

The full ranking →

Most recently, in their own words

The newest entries on the record. This updates on its own as people post.

The bar next to each date shows how long ago it was said: 6d is days, 4yr is years.

Terence Eden loved it affiliate

ActivityPub by Evan Prodromou

Evan Prodromou has the unenviable task of making the whole ecosystem easy to understand. Thankfully he does that well. Things are logically laid out, there are comprehensive descriptions of even the most obscure parts of the spec, and it builds up nicely from the fundamentals.

on shkspr.mobi · 1 Sep 2026

Branko Milanovic loved it

The Coming Storm: Power, Conflict, and Warnings from History by Odd Arne Westad

It is a quick read, an excellent book whose main virtue is not, in my opinion, direct analogy with the World War I, but a treatment of how in a multipolar world relatively small international events, misunderstandings, idiosyncratic fits of leaders, “hubris and fear” (as Westad often writes), resentment of the elite and of the public prodded by the media, can produce colossal miscalculations which then produce even more colossal wars and, in the era of the weapons of mass destruction, may end the civilization.

on branko2f7.substack.com · 31 Aug 2026

The full feed →  ·  Browse by person →

Where to start

The honest answer is: with something you will actually finish. Reading more is not a discipline problem, it is a selection problem — most people who think they dislike reading have only ever been assigned books.

And permission, from Nassim Taleb, to stop: the unread books on your shelf are the valuable ones. Abandoning a book you are not enjoying is not failure. It is the skill.

That little bar

It says how long ago something was said, so you can tell last month from 2014 without doing the arithmetic. Full and green is recent; it drains and cools as the date gets older, and empties completely at about 6 years.

A striped bar means the date itself is an estimate — the source did not carry an exact one. An entry with no date at all gets no bar.