Readability Square

Gutenberg Readability Search - Readability Catalog of Project Gutenberg eBooks

This table shows the readability data of selected Project Gutenberg eBooks.

  • To search books by Charles Dickens, search with dickens.
  • Input adventure to show Adventures of Huckleberry Finn, Adventures of Sherlock Holmes, Alice's Adventures in Wonderland, etc.
  • Vocabulary size input 13000 gives eBooks suitable for the vocabulary size.
  • Search with a blank input shows the whole catalog.
  • To sort, click the title of the row.



    • Tweet website's pick for you with #readabilitysquare!

    973 results.

    Vocabulary Coverage
    (Difficult: 98%, Appropriate: 99%)
    Conventional Readability Formula
    Title Author Translator Born Died 90% 95% 98% 99% 99.5% 99.9% Word Count (Pages) Words per Sentence Syllables per Word Fog Index Flesch Reading Ease Flesch-Kincaid
    Details On War — Volume 1 Clausewitz, Carl von Graham, J. J., Colonel 1780 1831 3000 3000 5000 7000 9000 15000 106755
    (266)    		 34.3 1.59 20.0 37.3 16.6
    Details The Vampyre; a Tale Polidori, John William 1795 1821 3000 4000 7000 10000 12000 21000 12586
    (31)    		 34.3 1.52 18.9 43.3 15.7
    Details Leviathan Hobbes, Thomas 1588 1679 3000 4000 7000 10000 14000 19000 211956
    (529)    		 34.2 1.51 19.0 44.3 15.6
    Details De Bello Gallico and Other Commentaries Caesar, Julius McDevitte, W. A. (William Alexander) 100BC 44BC 3000 4000 7000 10000 12000 17000 158969
    (397)    		 33.9 1.55 19.3 41.0 16.0
    Details Democracy in America — Volume 1 Tocqueville, Alexis de Reeve, Henry 1805 (1813) 1859 (1895) 3000 4000 6000 8000 11000 16000 188399
    (470)    		 33.7 1.67 21.0 31.4 17.3
    Details Theory of the Leisure Class Veblen, Thorstein 1857 1929 3000 6000 9000 12000 13000 19000 105017
    (262)    		 33.7 1.76 21.7 24.1 18.3
    Details Erewhon Butler, Samuel 1835 1902 2000 3000 6000 8000 11000 16000 83680
    (209)    		 33.5 1.49 17.9 46.5 15.1
    Details Writings of Thomas Paine — Volume 4 (1794-1796): the Age of Reason Paine, Thomas 1737 1809 3000 4000 7000 9000 12000 19000 71992
    (179)    		 33.4 1.51 18.4 45.1 15.3
    Details Leaves of Grass Whitman, Walt 1819 1892 4000 6000 9000 11000 14000 22000 120543
    (301)    		 33.2 1.46 16.8 49.9 14.6
    Details New Atlantis Bacon, Francis 1561 1626 2000 4000 7000 10000 13000 19000 15693
    (39)    		 33.2 1.42 17.1 52.8 14.2
    Details Democracy in America — Volume 2 Tocqueville, Alexis de Reeve, Henry 1805 (1813) 1859 (1895) 3000 4000 7000 8000 11000 16000 140667
    (351)    		 33.1 1.64 20.1 34.3 16.7
    Details Second Treatise of Government Locke, John 1632 1704 2000 4000 7000 9000 12000 19000 56126
    (140)    		 33.0 1.51 18.6 45.7 15.1
    Details Line and Form (1900) Crane, Walter 1845 1915 3000 4000 7000 10000 13000 19000 44073
    (110)    		 32.9 1.64 19.6 34.8 16.6
    Details Beyond Good and Evil Nietzsche, Friedrich Wilhelm Zimmern, Helen 1844 (1846) 1900 (1934) 3000 5000 8000 10000 13000 18000 61977
    (154)    		 32.8 1.65 19.9 33.7 16.7
    Details Plutarch's Lives, Volume I Plutarch Stewart, Aubrey 46 (1844) 120 3000 4000 7000 9000 12000 19000 184023
    (460)    		 32.8 1.53 18.6 44.0 15.3
    Details Opticks or, a Treatise of the Reflections, Refractions, Inflections, and Colours Newton, Isaac, Sir 1642 1727 3000 5000 9000 10000 12000 18000 96556
    (241)    		 32.8 1.5 18.0 46.6 14.9
    Details Aesthetical Essays of Friedrich Schiller Schiller, Friedrich 1759 1805 3000 4000 7000 9000 11000 16000 145128
    (362)    		 32.5 1.6 19.5 38.3 16.0
    Details The Connexion Between Taste and Morals Two lectures Hopkins, Mark 1802 1887 3000 4000 6000 8000 11000 17000 15404
    (38)    		 32.4 1.55 18.6 43.2 15.3
    Details The History of Rome, Books 01 to 08 Livy Spillan, D. (Daniel) (1854) 3000 5000 8000 11000 13000 20000 231205
    (578)    		 32.4 1.58 19.4 40.1 15.7
    Details Human, All Too Human A Book for Free Spirits Nietzsche, Friedrich Wilhelm Harvey, Alexander Miller 1844 (1867) 1900 (1928) 3000 5000 7000 10000 12000 18000 36537
    (91)    		 32.2 1.65 19.7 34.9 16.4
    Details The Autobiography of Benjamin Franklin Franklin, Benjamin 1706 1790 2000 4000 6000 9000 12000 18000 65762
    (164)    		 32.0 1.54 18.0 44.5 15.0
    Details The Antichrist Nietzsche, Friedrich Wilhelm Mencken, H. L. (Henry Louis) 1844 (1880) 1900 (1956) 3000 4000 7000 10000 12000 18000 32360
    (80)    		 32.0 1.59 18.7 39.5 15.7
    Details Fifty-two Stories of the British Navy, from Damme to Trafalgar. Miles, Alfred H. (Alfred Henry) 1848 1929 3000 4000 7000 10000 13000 20000 150454
    (376)    		 32.0 1.5 17.5 47.8 14.5
    Details The Federalist Papers Hamilton, Alexander 1757 1804 3000 4000 7000 9000 11000 16000 191873
    (479)    		 31.9 1.69 20.8 31.4 16.8
    Details A Treatise of Human Nature Hume, David 1711 1776 3000 4000 6000 9000 12000 16000 225521
    (563)    		 31.6 1.65 19.8 35.3 16.2
    Details An Essay Concerning Humane Understanding, Volume 1 MDCXC, Based on the 2nd Editi Locke, John 1632 1704 2000 3000 6000 8000 10000 16000 149042
    (372)    		 31.5 1.51 17.7 46.9 14.5
    Details Symposium Plato Jowett, Benjamin 427BC (1817) 347BC (1893) 2000 3000 6000 9000 11000 18000 32513
    (81)    		 31.4 1.49 17.4 49.1 14.2
    Details Secret Chambers and Hiding Places Historic, Romantic, & Legendary Stories & Trad Fea, Allan 1860 1956 3000 5000 7000 9000 13000 19000 33872
    (84)    		 31.2 1.58 17.8 41.2 15.3
    Details Common Sense Paine, Thomas 1737 1809 3000 4000 7000 10000 13000 16000 21504
    (53)    		 31.1 1.55 18.1 44.2 14.8
    Details Myths of the Norsemen From the Eddas and Sagas Guerber, H. A. (Hélène Adeline) 1859 1929 4000 6000 9000 11000 13000 22000 99800
    (249)    		 31.1 1.49 16.7 48.9 14.2
    Details An Enquiry Concerning the Principles of Morals Hume, David 1711 1776 3000 5000 8000 11000 13000 19000 48155
    (120)    		 31.1 1.71 20.6 30.5 16.7
    Details The Iliad Homer Butler, Samuel 750BC (1835) 650BC (1902) 2000 5000 8000 11000 14000 22000 152112
    (380)    		 31.0 1.35 15.0 61.5 12.4
    Details The Kingdom of God Is Within You Tolstoy, Leo, graf Garnett, Constance 1828 (1861) 1910 (1946) 3000 4000 6000 8000 10000 15000 123231
    (308)    		 31.0 1.56 18.3 43.6 14.9
    Details Eighteenth Brumaire of Louis Bonaparte Marx, Karl 1818 1883 3000 5000 8000 10000 12000 18000 39830
    (99)    		 30.8 1.72 20.5 29.7 16.8
    Details The Nuttall Encyclopædia Being a Concise and Comprehensive Dictionary of General Nuttall, P. Austin 3000 5000 9000 12000 15000 22000 758344
    (1895)    		 30.7 1.69 19.4 32.9 16.3
    Details On the Origin of Species by Means of Natural Selection or the Preservation of Fa Darwin, Charles 1809 1882 3000 4000 8000 10000 12000 20000 154299
    (385)    		 30.7 1.67 19.2 34.8 16.0
    Details History of Tom Jones, a Foundling Fielding, Henry 1707 1754 2000 4000 8000 10000 12000 18000 348464
    (871)    		 30.5 1.5 16.9 48.8 14.0
    Details The Arabian Nights Their Best-known Tales 2000 4000 8000 11000 13000 18000 114750
    (286)    		 30.5 1.44 16.2 53.8 13.3
    Details The Confessions of St. Augustine Augustine, Saint, Bishop of Hippo Pusey, E. B. (Edward Bouverie) 354 (1800) 430 (1882) 3000 5000 8000 11000 14000 19000 111847
    (279)    		 30.4 1.41 15.7 57.0 12.9
    Details The Shunned House Lovecraft, H. P. (Howard Phillips) 1890 1937 3000 6000 8000 10000 13000 18000 10663
    (26)    		 30.4 1.6 17.9 40.3 15.2
    Details Diary of Samuel Pepys — Complete Pepys, Samuel Bright, Mynors 1633 (1818) 1703 (1883) 2000 3000 7000 11000 13000 22000 1253859
    (3134)    		 30.4 1.36 14.6 61.3 12.3
    Details Irene Iddesleigh Ros, Amanda Mc 1860 1939 3000 5000 8000 9000 11000 15000 33703
    (84)    		 30.3 1.56 17.4 44.2 14.6
    Details The Confessions of J. J. Rousseau — Complete Rousseau, Jean-Jacques 1712 1778 3000 4000 7000 10000 12000 18000 274389
    (685)    		 30.2 1.57 17.9 43.2 14.7
    Details Phaedrus Plato Jowett, Benjamin 427BC (1817) 347BC (1893) 2000 4000 6000 9000 11000 17000 38099
    (95)    		 30.0 1.5 16.9 49.6 13.8
    Details Rob Roy — Complete Scott, Walter, Sir 1771 1832 3000 5000 9000 13000 18000 24000 190693
    (476)    		 29.9 1.53 17.0 46.9 14.2
    Details The Influence of Sea Power Upon History, 1660-1783 Mahan, A. T. (Alfred Thayer) 1840 1914 3000 4000 6000 8000 10000 16000 206172
    (515)    		 29.9 1.59 18.0 41.9 14.8
    Details British Political Leaders Mc 1830 1912 3000 3000 6000 8000 10000 15000 63507
    (158)    		 29.9 1.61 18.3 40.3 15.1
    Details The Works of the Right Honourable Edmund Burke, Vol. 03 (of 12) Burke, Edmund 1729 1797 3000 5000 8000 12000 17000 21000 161987
    (404)    		 29.8 1.6 18.6 41.0 15.0
    Details The Memoirs of the Conquistador Bernal Diaz del Castillo, Vol 1 (of 2) Written b Díaz del Castillo, Bernal Lockhart, John Ingram 1492 1585 2000 4000 6000 9000 11000 19000 183124
    (457)    		 29.7 1.55 17.7 45.8 14.2
    Details Common Sense Paine, Thomas 1737 1809 3000 4000 7000 10000 13000 16000 19419
    (48)    		 29.7 1.55 17.5 45.4 14.3

    Notes:

    Numbers in the parentheses of the born/died information denotes the translators' born/died year.
    Some of the born/died information of the authors and the translators of the wource data, catalog.rdf provided by the Project Gutenberg, have interrogation marks, which were stripped off in the table of this website for ease of processing the data.
    The authors and the translators displayed in the table are only one of multiple data stated in the catalog.rdf, if the work is composed by more than one author or translator, for ease of processing the data in this website.
    The "Pages" shown in the parentheses at the "Word Count" are the results of the division of the "Word Count" by 400, where this website assumes a page of a book includes 400 words.