The Great Gatsby by F. Scott FitzgeraldThe Painted Veil by W. Somerset MaughamThe Age of Innocence by Edith Wharton
Best Books of the Decade: 1920s
764 books — 1,132 voters
The Hitchhiker’s Guide to the Galaxy by Douglas Adams
Best Books of the Decade: 1970s
1,946 books — 1,879 voters

The Alchemist by Paulo Coelho
Best Books of the Decade: 1980s
2,257 books — 2,433 voters
Harry Potter and the Sorcerer's Stone by J.K. RowlingHarry Potter and the Prisoner of Azkaban by J.K. RowlingBridget Jones’s Diary by Helen FieldingWhite Oleander by Janet FitchA Thousand Acres by Jane Smiley
Best Books of the Decade: 1990s
3,129 books — 3,677 voters

Under the Tuscan Sun by Frances MayesDeception Point by Dan    Brown
The Worst Books of All Time
8,104 books — 19,875 voters

The Great Gatsby by F. Scott FitzgeraldHarry Potter and the Prisoner of Azkaban by J.K. Rowling
Best Books of the 20th Century
7,807 books — 49,791 voters
A Thousand Splendid Suns by Khaled HosseiniExtremely Loud & Incredibly Close by Jonathan Safran FoerThe Lovely Bones by Alice SeboldAtonement by Ian McEwanOne Day by David Nicholls
Best Books of the Decade: 2000s
7,189 books — 28,379 voters

A Thousand Splendid Suns by Khaled HosseiniHarry Potter and the Order of the Phoenix by J.K. RowlingHarry Potter and the Prisoner of Azkaban by J.K. RowlingExtremely Loud & Incredibly Close by Jonathan Safran Foer
Best Books Ever
76,123 books — 282,979 voters
A Thousand Splendid Suns by Khaled HosseiniAtonement by Ian McEwanThe Great Gatsby by F. Scott FitzgeraldThe Age of Innocence by Edith Wharton
Literary Love Triangles (Non-YA)
529 books — 1,888 voters

One Day by David NichollsThe Kite Runner by Khaled HosseiniThe Great Gatsby by F. Scott Fitzgerald
Most Heartbreaking
171 books — 129 voters