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. MartinA Clash of Kings by George R.R. Martin
Best Books of the Decade: 1990s
3,132 books — 3,698 voters
Dragonflight by Anne McCaffrey
Best Books of the Decade: 1960s
1,405 books — 1,786 voters

Harry Potter and the Deathly Hallows by J.K. RowlingThe Hunger Games by Suzanne CollinsHarry Potter and the Goblet of Fire by J.K. RowlingHarry Potter and the Order of the Phoenix by J.K. RowlingCatching Fire by Suzanne Collins
Best Books of the Decade: 2000s
7,208 books — 28,383 voters
Mockingjay by Suzanne CollinsThe Martian by Andy WeirReady Player One by Ernest ClineA Dance with Dragons by George R.R. Martin11/22/63 by Stephen  King
Best Books of the Decade: 2010s
7,686 books — 14,508 voters