1984 by George OrwellAnimal Farm by George OrwellThe Diary of a Young Girl by Anne FrankThe Little Prince by Antoine de Saint-ExupéryThe Stranger by Albert Camus
Best Books of the Decade: 1940s
821 books — 1,145 voters
The Catcher in the Rye by J.D. SalingerFahrenheit 451 by Ray BradburyLord of the Flies by William GoldingCharlotte’s Web by E.B. WhiteLolita by Vladimir Nabokov
Best Books of the Decade: 1950s
1,185 books — 1,510 voters

To Kill a Mockingbird by Harper LeeSlaughterhouse-Five by Kurt Vonnegut Jr.One Flew Over the Cuckoo’s Nest by Ken KeseyThe Outsiders by S.E. HintonCatch-22 by Joseph Heller
Best Books of the Decade: 1960s
1,363 books — 1,776 voters
The Hitchhiker’s Guide to the Galaxy by Douglas AdamsWatership Down by Richard  AdamsThe Stand by Stephen  KingThe Shining by Stephen  KingThe Princess Bride by William Goldman
Best Books of the Decade: 1970s
1,956 books — 1,884 voters

The Handmaid’s Tale by Margaret AtwoodEnder’s Game by Orson Scott CardThe Color Purple by Alice WalkerMatilda by Roald DahlBeloved by Toni Morrison
Best Books of the Decade: 1980s
2,259 books — 2,432 voters
Harry Potter and the Philosopher's Stone by J.K. RowlingHarry Potter and the Prisoner of Azkaban by J.K. RowlingHarry Potter and the Chamber of Secrets by J.K. RowlingA Game of Thrones by George R.R. MartinThe Giver by Lois Lowry
Best Books of the Decade: 1990s
3,140 books — 3,678 voters

Harry Potter and the Deathly Hallows by J.K. RowlingThe Hunger Games by Suzanne CollinsHarry Potter and the Half-Blood Prince by J.K. RowlingHarry Potter and the Goblet of Fire by J.K. RowlingHarry Potter and the Order of the Phoenix by J.K. Rowling
Best Books of the Decade: 2000s
7,187 books — 28,371 voters
Harry Potter and the Deathly Hallows by J.K. RowlingThe Hunger Games by Suzanne CollinsThe Kite Runner by Khaled HosseiniThe Book Thief by Markus ZusakHarry Potter and the Half-Blood Prince by J.K. Rowling
Best Books of the 21st Century
9,848 books — 22,133 voters

To Kill a Mockingbird by Harper Lee1984 by George OrwellHarry Potter and the Philosopher's Stone by J.K. RowlingThe Great Gatsby by F. Scott FitzgeraldAnimal Farm by George Orwell
Best Books of the 20th Century
7,886 books — 49,785 voters
To Kill a Mockingbird by Harper LeePride and Prejudice by Jane AustenThe Diary of a Young Girl by Anne Frank1984 by George OrwellAnimal Farm by George Orwell
Books That Everyone Should Read At Least Once
31,997 books — 121,455 voters