Harry Potter and the Deathly Hallows by J.K. Rowling
Best Books of the Decade: 2000s
7,217 books — 28,368 voters
Prey by Michael Crichton
Best Books About Nanotechnology
184 books — 660 voters

To Kill a Mockingbird by Harper LeeThe Fellowship of the Ring by J.R.R. TolkienHarry Potter and the Philosopher's Stone by J.K. RowlingBrave New World by Aldous HuxleyOf Mice and Men by John Steinbeck
Best Books of the 20th Century
7,889 books — 49,797 voters
The Handmaid’s Tale by Margaret AtwoodThe Lorax by Dr. SeussMacbeth by William ShakespeareWhere the Red Fern Grows by Wilson RawlsThe Canterbury Tales by Geoffrey Chaucer
Books That Everyone Should Read At Least Once
32,227 books — 122,689 voters

Speak by Laurie Halse Anderson
Best Teen Books About Real Problems
3,000 books — 12,451 voters
Twilight by Stephenie Meyer
The Worst Books of All Time
8,096 books — 19,876 voters