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 The Secret Sharer Conrad, Joseph 1857 1924 2000 4000 7000 8000 12000 17000 16439
    (41)
    14.4 1.43 9.0 70.9 6.9
    Details The Secret Garden Burnett, Frances Hodgson 1849 1924 2000 3000 6000 8000 11000 21000 79615
    (199)
    13.2 1.35 7.4 79.0 5.5
    Details The Secret Garden Burnett, Frances Hodgson 1849 1924 2000 3000 6000 8000 11000 21000 79765
    (199)
    13.2 1.35 7.4 78.9 5.5
    Details The Secret Agent a Simple Tale Conrad, Joseph 1857 1924 3000 4000 7000 9000 11000 16000 88831
    (222)
    14.6 1.54 11.0 61.4 8.3
    Details The Sea-Gull Chekhov, Anton Pavlovich 1860 1904 2000 3000 5000 8000 9000 16000 18866
    (47)
    9.7 1.43 7.0 75.7 5.1
    Details The Sea Wolf London, Jack 1876 1916 2000 4000 7000 10000 12000 19000 105143
    (262)
    15.0 1.43 9.1 70.8 7.1
    Details The Science of Fingerprints Classification and Uses United States. Federal Bureau of Investigation 3000 4000 6000 10000 12000 19000 45835
    (114)
    19.7 1.67 14.9 45.4 11.8
    Details The Scarlet Pimpernel Orczy, Baroness Emmuska 1865 1947 3000 5000 8000 11000 13000 21000 83462
    (208)
    19.0 1.47 11.7 63.0 9.2
    Details The Scarlet Letter Hawthorne, Nathaniel 1804 1864 4000 6000 9000 11000 13000 19000 82835
    (207)
    23.3 1.53 14.2 54.0 11.5
    Details The Scarlet Letter Hawthorne, Nathaniel 1804 1864 4000 6000 9000 11000 13000 20000 83847
    (209)
    23.1 1.53 14.2 53.8 11.5
    Details The Satyricon — Complete Petronius Arbiter 20 66 3000 6000 9000 12000 15000 22000 97604
    (244)
    25.3 1.52 14.9 52.9 12.2
    Details The Rubicon Benson, E. F. (Edward Frederic) 1867 1940 2000 3000 6000 8000 11000 18000 74278
    (185)
    13.8 1.45 9.1 70.2 6.9
    Details The Rubaiyat of Omar Khayyam Omar Khayyám FitzGerald, Edward 1048 (1809) 1122 (1883) 4000 6000 10000 14000 17000 23000 11527
    (28)
    18.2 1.46 11.1 64.5 8.8
    Details The Royal Picture Alphabet Leighton, John 1822 1912 2000 4000 8000 11000 15000 21000 5109
    (12)
    17.3 1.49 11.1 63.1 8.7
    Details The Romance of Tristan and Iseult Bédier, Joseph Belloc, Hilaire 1864 (1870) 1938 (1953) 2000 4000 7000 10000 13000 21000 25763
    (64)
    23.0 1.28 10.7 75.3 8.5
    Details The Romance of Lust A classic Victorian erotic novel Anonymous 2000 4000 7000 10000 13000 17000 187931
    (469)
    24.6 1.47 14.0 57.4 11.4
    Details The Robbers Schiller, Friedrich 1759 1805 4000 5000 9000 12000 14000 21000 49365
    (123)
    9.5 1.43 7.0 76.3 5.0
    Details The River War An Account of the Reconquest of the Sudan Churchill, Winston 1874 1965 3000 5000 9000 13000 13000 23000 124226
    (310)
    19.9 1.61 14.3 50.3 11.2
    Details The Rime of the Ancient Mariner Coleridge, Samuel Taylor 1772 1834 3000 5000 9000 12000 15000 22000 3850
    (9)
    15.8 1.28 7.4 82.7 5.7
    Details The Riddle of the Sands Childers, Erskine 1870 1922 3000 5000 8000 10000 13000 19000 107279
    (268)
    16.5 1.47 10.2 66.1 8.1
    Details The Return of the Native Hardy, Thomas 1840 1928 2000 4000 7000 9000 12000 21000 140685
    (351)
    15.8 1.44 9.9 69.1 7.5
    Details The Return of Sherlock Holmes Doyle, Arthur Conan, Sir 1859 1930 2000 3000 6000 8000 10000 15000 111170
    (277)
    14.2 1.44 9.2 71.0 6.9
    Details The Return of Sherlock Holmes Doyle, Arthur Conan, Sir 1859 1930 2000 3000 6000 8000 10000 15000 111491
    (278)
    14.1 1.44 9.1 71.0 6.9
    Details The Republic Plato Jowett, Benjamin 427BC (1817) 347BC (1893) 2000 3000 6000 8000 10000 16000 215540
    (538)
    24.7 1.49 14.7 56.0 11.6
    Details The Republic Plato Jowett, Benjamin 427BC (1817) 347BC (1893) 2000 3000 6000 8000 10000 16000 124102
    (310)
    22.4 1.45 13.2 61.6 10.2
    Details The Red Record Tabulated Statistics and Alleged Causes of Lynching in the United Wells-Barnett, Ida B. 1862 1931 3000 5000 8000 10000 11000 16000 33314
    (83)
    20.7 1.54 13.4 55.5 10.7
    Details The Red House Mystery Milne, A. A. (Alan Alexander) 1882 1956 1000 2000 4000 5000 8000 12000 59849
    (149)
    10.4 1.41 7.4 77.2 5.1
    Details The Red Badge of Courage Crane, Stephen 1871 1900 3000 5000 8000 9000 12000 16000 45599
    (113)
    12.7 1.46 9.0 70.6 6.6
    Details The Real Mother Goose 4000 6000 11000 14000 16000 24000 15838
    (39)
    18.5 1.32 8.4 76.6 7.2
    Details The Raven Poe, Edgar Allan 1809 1849 4000 7000 10000 13000 17000 24000 7059
    (17)
    19.1 1.55 12.7 56.5 10.1
    Details The Rape of the Lock and Other Poems Pope, Alexander 1688 1744 4000 5000 9000 12000 14000 21000 54188
    (135)
    19.7 1.47 12.1 62.2 9.5
    Details The Railway Children Nesbit, E. (Edith) 1858 1924 1000 2000 5000 7000 9000 14000 58729
    (146)
    12.9 1.35 7.1 79.7 5.3
    Details The Pursuit of God Tozer, A. W. (Aiden Wilson) 1897 1963 2000 4000 6000 8000 10000 17000 29000
    (72)
    19.4 1.44 11.6 65.4 9.0
    Details The Problems of Philosophy Russell, Bertrand 1872 1970 2000 3000 4000 6000 8000 15000 42186
    (105)
    27.3 1.56 16.8 47.2 13.5
    Details The Prisoner of Zenda Hope, Anthony 1863 1933 2000 4000 6000 8000 11000 16000 53278
    (133)
    13.7 1.38 8.1 75.9 6.1
    Details The Principles of Masonic Law A Treatise on the Constitutional Laws, Usages and Mackey, Albert Gallatin 1807 1881 3000 4000 7000 9000 10000 15000 70062
    (175)
    26.1 1.65 17.7 40.8 14.1
    Details The Princess of Cleves La Fayette, Madame de (Marie-Madeleine Pioche de La Vergne) 1634 1693 2000 4000 6000 9000 12000 15000 61526
    (153)
    56.6 1.45 26.7 27.1 23.5
    Details The Princess and the Goblin Mac 1824 1905 1000 3000 5000 8000 9000 15000 50659
    (126)
    15.8 1.35 8.6 76.9 6.5
    Details The Prince and the Pauper Twain, Mark 1835 1911 3000 5000 9000 12000 16000 24000 69129
    (172)
    40.3 1.43 19.6 44.9 17.0
    Details The Prince Machiavelli, Niccolò Marriott, W. K. (William K.) 1469 1527 2000 4000 6000 9000 11000 17000 49271
    (123)
    38.0 1.54 20.8 38.2 17.4
    Details The Prehistoric World; or, Vanished races Allen, Emory Adams 1853 3000 4000 7000 10000 13000 19000 206643
    (516)
    18.2 1.56 13.0 56.2 9.9
    Details The Practice and Science of Drawing Speed, Harold 1873 2000 3000 5000 7000 9000 14000 75941
    (189)
    26.6 1.55 16.1 48.9 13.1
    Details The Power of Mesmerism A Highly Erotic Narrative of Voluptuous Facts and Fancies Anonymous 3000 5000 9000 12000 14000 19000 25020
    (62)
    26.8 1.48 14.9 54.8 12.3
    Details The Possessed (The Devils) Dostoyevsky, Fyodor Garnett, Constance 1821 (1861) 1881 (1946) 2000 4000 6000 9000 11000 16000 252520
    (631)
    15.5 1.5 10.9 64.3 8.1
    Details The Portrait of a Lady — Volume 1 James, Henry 1843 1916 2000 3000 6000 8000 10000 16000 115618
    (289)
    16.4 1.49 11.1 64.4 8.4
    Details The Poetical Works of William Wordsworth — Volume 3 Wordsworth, William 1770 1850 3000 6000 9000 11000 14000 21000 118027
    (295)
    29.5 1.48 15.9 52.0 13.3
    Details The Pillar of Light Tracy, Louis 1863 1928 3000 5000 7000 10000 12000 20000 79534
    (198)
    13.2 1.47 9.1 69.4 6.9
    Details The Pilgrim's Progress from this world to that which is to come, delivered under Bunyan, John 1628 1688 2000 4000 8000 11000 14000 20000 56792
    (141)
    19.1 1.33 10.0 75.3 7.5
    Details The Pied Piper of Hamelin Browning, Robert 1812 1889 4000 7000 11000 15000 16000 20000 2145
    (5)
    23.3 1.38 11.3 66.5 9.8
    Details The Picture of Dorian Gray Wilde, Oscar 1854 1900 2000 4000 7000 9000 12000 24000 78609
    (196)
    12.1 1.43 8.3 73.3 6.0

    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.