Updates

  1. Person pages list letters, writing, profiles and links as sortable tables with filters, and show each person's companies as links; Fund letters show each letter's description in its own column.
  2. Experts show a checked job title and a short description of each person; 30 more people have photographs.
  3. Every company, fund, university and publication the experts work for has a page listing the people there.
  4. Fund letters show each letter's thesis and filter by it; 225 person pages list the essays, columns and newsletter issues the person wrote.
  5. Person pages list every essay and newsletter issue a person wrote, and their own books as a table in List view.
  6. Recommends shows the five largest kinds of book and the rest under More; browse pictures load sooner.
  7. Podcasts and talks link the original episode, filter by Audio and video or Press, and list each publisher once.
  8. Pages are wider, Recommends has List and Grid, and a filter clicked again turns off.
  9. Book cards sit in a ruled grid with Open Library and Goodreads links and each book's one-line note.
  10. Funds is now Investors; each investor's styles are buttons that filter the table.
  11. Podcasts and talks on a person's page filter by year and publisher and show as a list or a grid of pictures.
  12. Quotes show only people's own words: 472 summaries written by list sites are gone.
  13. Country pages open from Browse again, and every link on the shelf lands on a page.
  14. Subject and person pages show their sections as tabs, and each book appears once on a person's page.
  15. Book cards show the quote, who said it and the source; grids show five cards to a row.
  16. On a phone, a menu holds the sections, search, Updates, Feedback and dark mode.
  17. Feedback takes a screenshot of the page with no browser prompt, opens a screenshot full size when you click it, and clears itself once sent.
  18. Book cards are centred, search names the topic each book sits in, and any text cut short shows whole on hover.
  19. Search groups its results by kind: people, companies, geographies, subjects, topics, books, funds, fund letters and papers.
  20. The Books table lists who recommended each book by name, and the browser tab names the section you are in.
  21. Feedback can take a screenshot of the page, or one you paste or choose, and opens in the corner beside Updates.
  22. Each rail button reopens its section where you left it, and Browse, Table and People show on every book and subject page.
  23. Filters grey out choices that hold nothing instead of hiding them, and Books › People filters by authors or recommenders.
  24. Feedback takes a subject line and up to three screenshots.
  25. Biographies are grouped by the person they are about: 41 new pages, from Abraham Lincoln to Lee Kuan Yew.
  26. Sport splits into 23 sports, and Religion into one topic per faith.
  27. Book lists show as cards: the cover, one recommendation quote and every recommender by name.
  28. Seventeen subjects that had two or three pages under different names now have one page each.
  29. Every page lists its Experts as authors and recommenders, with a link to them on the Experts tab.
  30. Economics, Financial history, Financial panics and Accounting are subjects of their own, with one page per financial crisis.
  31. Book, person and subject pages open inside the app, so the tabs stay in view.
  32. 996 more book covers, and photographs or logos for 227 more people and companies.
  33. Books › Browse shows every subject as cards, and the rail holds Fund letters, Papers, Experts, Books and Funds.
  34. Every topic over 150 books splits into narrower topics, each with a page of its own.

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Circle of Competence

Mental models

The set of businesses an investor can genuinely evaluate, including their economics and their failure modes. Returns come from policing the boundary honestly rather than from enlarging the circle. Anything outside the line is declined however attractive it looks, and the circle grows only through study.

Books 7Experts 5Recommenders 56Resources 4

Start here

  1. Seeking Wisdom: From Darwin to MungerPeter Bevelin, 2003
  2. The Essays of Warren BuffettLawrence A. Cunningham, Warren Buffett, 1997
  3. Poor Charlie's AlmanackCharles T. Munger, Peter D. Kaufman, 2005
The Essays of Warren BuffettThe Essays of Warren Buffett
T1 The Essays of Warren Buffett
Lawrence A. Cunningham, Warren Buffett · 1997
Open LibraryGoodreads

Berkshire's shareholder letters arranged by topic: governance, valuation, mergers.

“The resource is as valuable as Larry Cunningham's The Essays of Warren Buffett, which similarly organizes by subject matter” — Christopher Bloomstran

Source: Semper Augustus 2024 Letter to Clients, 'Books and Tunes for Walking', p. 96

Recommended by: Christopher Bloomstran, Francois Rochon and 11 others

Poor Charlie's AlmanackPoor Charlie's Almanack
T1 Poor Charlie's Almanack
Charles T. Munger, Peter D. Kaufman · 2005
Open LibraryGoodreads

Speeches making the case for a latticework of mental models from many fields.

“…books I've recommended, highlighted to death, or forced on friends.” — Andrew Wilkinson

Source: Andrew Wilkinson's Bookshelf, neverenough.com

Recommended by: Andrew Wilkinson, Charlie Munger and 26 others

Berkshire Hathaway Letters to ShareholdersBerkshire Hathaway Letters to Shareholders
T1 Berkshire Hathaway Letters to Shareholders
Warren Buffett · 2013
Open LibraryGoodreads

Every Berkshire annual letter since 1965, in order, as the company grew.

“…books I've recommended, highlighted to death, or forced on friends.” — Andrew Wilkinson

Source: Andrew Wilkinson's Bookshelf, neverenough.com

Recommended by: Andrew Wilkinson, Arnold Van Den Berg and 5 others

The Science of Hitting
T2 The Science of Hitting
Ted Williams, John Underwood · 1970
Open LibraryGoodreads

How to hit a baseball, built on a map of the strike zone graded by success.

“In his book The Science of Hitting, Ted explains that he carved the strike zone into 77 cells” — Warren Buffett

Source: 1997 Berkshire Hathaway Shareholder Letter

Recommended by: Mohnish Pabrai, Warren Buffett

Seeking Wisdom: From Darwin to MungerSeeking Wisdom: From Darwin to Munger
T2 Seeking Wisdom: From Darwin to Munger
Peter Bevelin · 2003
Open LibraryGoodreads

Builds out Munger's latticework idea from primary sources.

“…books I've recommended, highlighted to death, or forced on friends.” — Andrew Wilkinson

Source: Andrew Wilkinson's Bookshelf, neverenough.com

Recommended by: Andrew Wilkinson, Nat Eliason and 8 others

RangeRange
T2 Range
David Epstein · 2019
Open LibraryGoodreads

Early specialisation works only where rules are stable; elsewhere breadth wins.

Recommended by: Bill Gates, Abi Tyas Tunggal, Alex Lieberman and 11 others

So Good They Can't Ignore YouSo Good They Can't Ignore You
T3 So Good They Can't Ignore You
Cal Newport · 2012
Open LibraryGoodreads

Career capital before passion; building rare and valuable skills

Recommended by: Nat Eliason, Alexis Ohanian, Jordan Hughes and 2 others

More mental models

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