The Origin of Species by Charles DarwinThe Communist Manifesto by Karl MarxThe Book of Mormon by Joseph Smith Jr.Scientology by L. Ron Hubbard
The Worst Books of All Time
8,096 books — 19,876 voters
The Holy Bible by AnonymousDemocracy in America by Alexis de TocquevilleParadise Lost by John MiltonThe Pilgrim's Progress by John BunyanThe Hobbit, or There and Back Again by J.R.R. Tolkien
The Most Influential Books
1,461 books — 5,287 voters