The Origin of Species by Charles DarwinRelativity by Albert EinsteinThe Spirit Catches You and You Fall Down by Anne FadimanA History of God by Karen Armstrong
Best Non-Fiction (no biographies)
6,228 books — 8,060 voters
The Age of Innocence by Edith WhartonWhere the Red Fern Grows by Wilson Rawls
Books That Made You Cry
1,607 books — 3,278 voters

A Testament of Devotion by Thomas R. KellyBarclay's Apology in Modern English by Robert  BarclayFriends for 300 Years by Howard H. BrintonThe Journal of George Fox by George FoxRise Up Singing Group Singing Songbook | Large Print Leaders ... by Peter Blood
Quaker Books
141 books — 47 voters
In Cold Blood by Truman CapoteColumbine by Dave CullenJudgment Ridge by Dick Lehr
True Crime
726 books — 608 voters

Ulysses by James JoyceIn Search of Lost Time by Marcel Proust
Most Difficult Novels
588 books — 2,042 voters

Remembrance of Things Past by Marcel Proust
Thickest Books Ever
889 books — 2,489 voters
The Remains of the Day by Kazuo IshiguroAn Artist of the Floating World by Kazuo IshiguroNever Let Me Go by Kazuo IshiguroWhen We Were Orphans by Kazuo IshiguroA Pale View of Hills by Kazuo Ishiguro
Japanese authors
236 books — 173 voters

The Giver by Lois LowryA Wrinkle in Time by Madeleine L'EngleSpeak by Laurie Halse AndersonBridge to Terabithia by Katherine PatersonTo Kill a Mockingbird by Harper Lee
Best Young Adult Books
13,095 books — 80,185 voters
To Kill a Mockingbird by Harper LeeThe Things They Carried by Tim O'Brien
Best Books of the 20th Century
7,801 books — 49,782 voters