Most Popular Non-Fiction Books Of All Time – With Free Download Links

This compilation, while not originally compiled by us, is by far one of the most ambitious and lengthy projects as we have to find a free legal downloadable link for each title listed below. This time, we have omitted titles that are not legally available for free, and we only keep downloadable e-books (they will be represented in a red underlined format). In addition, we have also added a brief description of each title so that you have a basic idea of ​​what it is about. Anyway, if you happen to have a hardcover, a physical copy or any kind, a purchased electronic copy of any of the titles, this list is a good guide to where the title is located. If we haven't stated the obvious, all of these titles are ordered by popularity level, calculated using an algorithm created by the original curator at Your list only links to commercial versions on Amazon, but we'll make it special for you by linking it to the free ones.

Our previous post, Most Popular Fiction Books Of All Time covers the Fiction side of it.

We hope you find this list ingenious and fun as we have burned all of our midnight oils by checking and compiling all the links for you. But there might still be errors or broken links between them, so please feel free to contact us to let us know. Happy browsing, reading or sharing; however, if you wish to use this list, we will leave it to you. Cheers!


  1. Essays by Michel de Montaigne (1580)
  2. Confessions by Augustine (398)
  3. The Prince by Niccolo Machiavelli (1532)
  4. Walden by Henry David Thoreau (1854)
  5. On the Origin of Species by Charles Darwin (1859)
  6. The Complete Works of Plato by Plato (347BC)
  7. The Republic by Plato (380BC)
  8. The Elements of Style by William Strunk, Jr and E. B. White (1918)
  9. Pensées by Blaise Pascal (1670)
  10. Democracy in America by Alexis de Tocqueville (1840)
  11. Homage to Catalonia by George Orwell (1938)
  12. The Confessions of Jean-Jacques Rousseau by Jean-Jacques Rousseau (1782)
  13. Communist Manifesto by Karl Marx and Friedrich Engels (1848)
  14. Relativity by Albert Einstein (1917)
  15. Das Kapital by Karl Marx (1867)
  16. Thus Spoke Zarathustra: A Book for Everyone and Nobody by Friedrich Nietzsche (1883)
  17. The Histories of Herodotus by Herodotus (420BC)
  18. Meditations by Marcus Aurelius (167)
  19. Leviathan by Thomas Hobbes (1651)
  20. Essays by Ralph Waldo Emerson (1882)
  21. A Room of One’s Own by Virginia Woolf (1929)
  22. The Principles of Psychology by William James (1890)
  23. The Abolition of Man by C. S. Lewis (1943)
  24. The History of the Peloponnesian War by Thucydides (450BC)
  25. Collected Essays of George Orwell by George Orwell (1961)
  26. The Life of Samuel Johnson by James Boswell (1823)
  27. The Art of War by Sun Tzu (200BC)
  28. The Annals of Imperial Rome by Cornelius Tacitus (120)
  29. Philosophical Investigations by Ludwig Wittgenstein (1953)
  30. Parallel Lives by Plutarch (120)
  31. Mere Christianity by C. S. Lewis (1942)
  32. Pragmatism by William James (1907)
  33. Orthodoxy by G. K. Chesterton (1908)
  34. Beyond Good and Evil by Friedrich Nietzsche (1886)
  35. Discourse on Method by Rene Descartes (1637)
  36. Tao Te Ching by Laozi (300BC)
  37. The Golden Bough by James George Frazer (1890)
  38. The Decline and Fall of the Roman Empire by Edward Gibbon (1776)
  39. The Federalist Papers by Alexander Hamilton, James Madison, John Jay (1788)
  40. Analects by Confucius (350BC)
  41. On Liberty by John Stuart Mill (1859)
  42. The Varieties of Religious Experience by William James (1902)
  43. Ethics by Benedictus de Spinoza (1676)
  44. Civil Disobedience by Henry David Thoreau (1849)
  45. Up from Slavery by Booker T. Washington (1901)
  46. Memoirs of Cardinal De Retz by Cardinal de Retz (1717)
  47. A Mathematician’s Apology by G. H. Hardy (1940)
  48. The Principia: Mathematical Principles of Natural Philosophy by Issac Newton (1687)
  49. The Frontier in American History by Frederick Jackson Turner (1920)
  50. The Memoirs of the Duke of Saint-Simon on the Reign of Louis XIV. and the Regency by Louis de Rouvroy Saint-Simon (duc de) (1755)


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