To Kill a Mockingbird by Harper Lee1984 by George OrwellAnimal Farm by George OrwellThe Great Gatsby by F. Scott FitzgeraldThe Book Thief by Markus Zusak
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33,241 books — 126,087 voters
The Book Thief by Markus ZusakA Short History of Nearly Everything by Bill  Bryson
Best Books of the 21st Century
9,804 books — 22,847 voters

Of Mice and Men by John SteinbeckSlaughterhouse-Five by Kurt Vonnegut Jr.The Sun Also Rises by Ernest HemingwayBeloved by Toni Morrison
Best Books of the 20th Century
7,801 books — 49,898 voters
The Picture of Dorian Gray by Oscar WildeWuthering Heights by Emily BrontëThe Count of Monte Cristo by Alexandre DumasFrankenstein by Mary Wollstonecraft ShelleyA Tale of Two Cities by Charles Dickens
Best Books of the 19th Century
1,744 books — 6,939 voters

The Picture of Dorian Gray by Oscar WildeOf Mice and Men by John SteinbeckSlaughterhouse-Five by Kurt Vonnegut Jr.The Book Thief by Markus ZusakWuthering Heights by Emily Brontë
Best Books Ever
80,125 books — 298,530 voters