The Hitchhiker’s Guide to the Galaxy by Douglas Adams
Best Books of the Decade: 1970s
1,949 books — 1,885 voters
1984 by George Orwell
Best Books of the Decade: 1940s
824 books — 1,150 voters

One Flew Over the Cuckoo’s Nest by Ken KeseyTo Kill a Mockingbird by Harper Lee
Best Books of the Decade: 1960s
1,434 books — 1,777 voters
Harry Potter and the Philosopher's Stone by J.K. RowlingA Game of Thrones by George R.R. MartinDeal Breaker by Harlan CobenThe Fellowship of the Ring by J.R.R. TolkienShelter by Harlan Coben
Best Series
3,538 books — 9,605 voters

The Catcher in the Rye by J.D. Salinger
Best Books of the Decade: 1950s
1,195 books — 1,515 voters
Siddhartha by Hermann Hesse
Best Books of the Decade: 1920s
779 books — 1,133 voters

Live Wire by Harlan CobenThe Martian by Andy WeirGone Girl by Gillian FlynnThe Slight Edge by Jeff OlsonDefending Jacob by William Landay
Best Books of the Decade: 2010s
7,720 books — 14,358 voters
Harry Potter and the Deathly Hallows by J.K. RowlingThe Book of Basketball by Bill SimmonsHarry Potter and the Half-Blood Prince by J.K. RowlingA Storm of Swords by George R.R. MartinJust One Look by Harlan Coben
Best Books of the Decade: 2000s
7,216 books — 28,373 voters

Harry Potter and the Prisoner of Azkaban by J.K. RowlingA Game of Thrones by George R.R. MartinHarry Potter and the Philosopher's Stone by J.K. RowlingOne False Move by Harlan Coben
Best Books of the Decade: 1990s
3,156 books — 3,681 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 — 1,259 voters

Watchmen by Alan Moore
Best Books of the Decade: 1980s
2,255 books — 2,435 voters
Harry Potter and the Deathly Hallows by J.K. RowlingThe Book of Basketball by Bill SimmonsHarry Potter and the Half-Blood Prince by J.K. RowlingLive Wire by Harlan CobenA Storm of Swords by George R.R. Martin
Best Books Ever
78,171 books — 291,530 voters