A Game of Thrones by George R.R. MartinJ.R.R. Tolkien 4-Book Boxed Set by J.R.R. TolkienHis Dark Materials by Philip PullmanThe Gunslinger by Stephen  KingThe Silmarillion by J.R.R. Tolkien
The Best Epic Fantasy (fiction)
4,555 books — 26,609 voters
John Adams by David McCulloughThe Diary of a Young Girl by Anne FrankTruman by David McCulloughEinstein by Walter IsaacsonA Short History of Nearly Everything by Bill Bryson
Best History Books
3,890 books — 3,935 voters

A Short History of Nearly Everything by Bill BrysonClassic Feynman by Richard P. FeynmanEinstein by Walter IsaacsonThe Elegant Universe by Brian GreeneThe Path Between the Seas by David McCullough
Best Science Books - Non-Fiction Only
1,926 books — 3,621 voters
Ready Player One by Ernest ClineSabriel by Garth NixMister Monday by Garth NixJonathan Strange & Mr Norrell by Susanna Clarke
Best Science Fiction & Fantasy Books
8,679 books — 25,214 voters

Sabriel by Garth NixJonathan Strange & Mr Norrell by Susanna ClarkeThe Amulet of Samarkand by Jonathan StroudThe Fellowship of the Ring by J.R.R. TolkienThe Golden Compass by Philip Pullman
Most Interesting Magic System
2,673 books — 8,809 voters
The Hobbit, or There and Back Again by J.R.R. TolkienThe Fellowship of the Ring by J.R.R. TolkienHarry Potter Series Box Set by J.K. RowlingThe Two Towers by J.R.R. TolkienThe Return of the King by J.R.R. Tolkien
Fantasy You Have Read More Than Once
199 books — 78 voters

The Grapes of Wrath by John SteinbeckHarry Potter and the Philosopher's Stone by J.K. Rowling1984 by George OrwellThe Lion, the Witch and the Wardrobe by C.S. Lewis
Best Books of the 20th Century
7,888 books — 49,805 voters

The Book Thief by Markus ZusakWhere the Red Fern Grows by Wilson RawlsThe Outsiders by S.E. HintonThe Giving Tree by Shel Silverstein
Most emotional books
902 books — 950 voters
America (The Book) by Jon   StewartI Am America by Stephen ColbertThe Princess Bride by William GoldmanThe Hitchhiker’s Guide to the Galaxy by Douglas AdamsMe Talk Pretty One Day by David Sedaris
Books that Make you Laugh
3,516 books — 5,218 voters

The Bourne Identity by Robert LudlumJurassic Park by Michael CrichtonThe Firm by Robin WaterfieldStarship Troopers by Robert A. Heinlein
The MOVIE was BETTER than the BOOK
1,135 books — 10,099 voters