Freakonomics by Steven D. LevittUnbroken by Laura Hillenbrand11/22/63 by Stephen  KingOdd Thomas by Dean KoontzThe Purpose Driven Life by Rick Warren
Best Books of the 21st Century
9,839 books — 22,300 voters
Harry Potter and the Philosopher's Stone by J.K. RowlingAnimal Farm by George OrwellThe Lord of the Rings by J.R.R. TolkienThe Hobbit, or There and Back Again by J.R.R. TolkienHarry Potter and the Prisoner of Azkaban by J.K. Rowling
Books That Everyone Should Read At Least Once
32,388 books — 123,390 voters

The Purpose Driven Life by Rick WarrenThe Shack by William Paul YoungLeft Behind by Tim LaHayeThe Case for Christ by Lee Strobel
Favorite Christian Books
1,948 books — 1,417 voters

Unbroken by Laura HillenbrandThe Assassination of the Archduke by Greg KingWe Were Soldiers Once... and Young by Harold G. MooreKilling Lincoln by Bill O'ReillyThe Case for Christ by Lee Strobel
Best History Books
3,887 books — 3,930 voters
The Adventures of Tom Sawyer by Mark Twain
Best Books of the Decade: 1870s
259 books — 347 voters

The Picture of Dorian Gray by Oscar WildeDracula by Bram Stoker
Best Books of the Decade: 1890s
488 books — 502 voters
The Great Gatsby by F. Scott Fitzgerald
Best Books of the Decade: 1920s
779 books — 1,132 voters

The Hobbit, or There and Back Again by J.R.R. TolkienOf Mice and Men by John Steinbeck
Best Books of the Decade: 1930s
909 books — 1,258 voters
Lord of the Flies by William GoldingThe Crucible by Arthur MillerFlowers for Algernon by Daniel Keyes
Best Books of the Decade: 1950s
1,195 books — 1,513 voters

Once an Eagle by Anton Myrer
Best Books of the Decade: 1960s
1,434 books — 1,776 voters
Watership Down by Richard  AdamsThe Killer Angels by Michael ShaaraBear by Paul W. BryantBetter Times Than These by Winston GroomLead Like Jesus by Kenneth H. Blanchard
Best Books of the Decade: 1970s
1,956 books — 1,886 voters

Lightning by Dean KoontzIt by Stephen  KingThe Case for Christ by Lee Strobel
Best Books of the Decade: 1980s
2,256 books — 2,435 voters
Don't Know Much About the Civil War by Kenneth C. DavisTuesdays with Morrie by Mitch AlbomHarry Potter and the Prisoner of Azkaban by J.K. RowlingHeir to the Empire by Timothy ZahnEndgame by David Rohde
Best Books of the Decade: 1990s
3,156 books — 3,680 voters

Harry Potter and the Deathly Hallows by J.K. RowlingHarry Potter and the Goblet of Fire by J.K. RowlingThe Shack by William Paul YoungThe Purpose Driven Life by Rick WarrenOne Nation Under Therapy by Christina Hoff Sommers
Best Books of the Decade: 2000s
7,215 books — 28,370 voters
11/22/63 by Stephen  KingUnbroken by Laura HillenbrandKilling Kennedy by Bill O'ReillyDecision Points by George W. BushMy Conference Can Beat Your Conference by Paul Finebaum
Best Books of the Decade: 2010s
7,719 books — 14,317 voters

The Great Gatsby by F. Scott FitzgeraldLord of the Flies by William GoldingOf Mice and Men by John SteinbeckThe Picture of Dorian Gray by Oscar WildeThe Lion, the Witch and the Wardrobe by C.S. Lewis
Great Short Short Books
583 books — 521 voters