To Kill a Mockingbird by Harper Lee1984 by George OrwellThe Diary of a Young Girl by Anne FrankAnimal Farm by George OrwellThe Hobbit, or There and Back Again by J.R.R. Tolkien
Books That Everyone Should Read At Least Once
32,929 books — 124,998 voters
The Martian by Andy WeirReady Player One by Ernest ClineThe Girl on the Train by Paula Hawkins
Best Books of the Decade: 2010s
7,670 books — 14,482 voters

The Road by Cormac McCarthyLife of Pi by Yann Martel
Best Books of the Decade: 2000s
7,204 books — 28,383 voters
To Kill a Mockingbird by Harper LeeOne Hundred Years of Solitude by Gabriel García MárquezLove in the Time of Cholera by Gabriel García Márquez
Best Books of the 20th Century
7,818 books — 49,878 voters