The Hobbit, or There and Back Again by J.R.R. TolkienHarry Potter and the Philosopher's Stone by J.K. RowlingFahrenheit 451 by Ray Bradbury
Best Books of the 20th Century
7,874 books — 49,841 voters
1984 by George OrwellThe Giver by Lois LowryBrave New World by Aldous HuxleyLord of the Flies by William GoldingMatched by Ally Condie
Best Dystopian and Post-Apocalyptic Fiction
4,012 books — 26,697 voters

Harry Potter and the Sorcerer's Stone by J.K. RowlingThe Lightning Thief by Rick RiordanThe Giver by Lois LowryThe Hobbit, or There and Back Again by J.R.R. TolkienVampire Academy by Richelle Mead
Best Young Adult Books
13,251 books — 80,528 voters
J.R.R. Tolkien 4-Book Boxed Set by J.R.R. TolkienTo Kill a Mockingbird by Harper LeeThe Hitchhiker's Guide to the Galaxy by Douglas AdamsLord of the Flies by William GoldingThe Picture of Dorian Gray by Oscar Wilde
Best Books Ever
78,696 books — 293,232 voters

A Game of Thrones by George R.R. MartinJ.R.R. Tolkien 4-Book Boxed Set by J.R.R. TolkienThe Chronicles of Narnia by C.S. LewisThe Eye of the World by Robert JordanThe Gunslinger by Stephen  King
The Best Epic Fantasy (fiction)
4,699 books — 26,845 voters
1984 by George OrwellFahrenheit 451 by Ray BradburyBrave New World by Aldous HuxleyFoundation by Isaac AsimovThe Giver by Lois Lowry
Best Science Fiction & Fantasy Books
8,764 books — 25,715 voters