1. The Bible
2. The Works of Ayn Rand
3. The Hitchhiker's Guide to the Galaxy
4. Zen and the Art of Motorcycle Maintenance: An Inquiry into Values
5. The Stranger
6. The Works of George Orwell
7. The Works of Richard Dawkins
8. The Hobbit and Lord of The Rings Trilogy
9. Ender's Game
10. Dune

via lifehacker

1. Harry Potter and the Sorcerer's Stone

By J.K. Rowling (1998)

2. The Deep End of the Ocean

By Jacquelyn Mitchard (1996)

3. The Da Vinci Code

By Dan Brown (2003)

4. The 911 Commission Report

By the National Commission on Terrorist Attacks (2004)

5. Chicken Soup for the Soul

By Mark Victor Hansen and Jack Canfield (1993)

6. Men Are From Mars, Women Are From Venus

By John Gray (1992)

Dr. Atkins' New Diet Revolution

By Robert C. Atkins (1992)

full list via usatoday.com

1. Lonesome Dove by Larry McMurtry
2. Of Mice and Men (Penguin Great Books of the 20th Century) by John Steinbeck
3. To Kill a Mockingbird by Harper Lee
4. Frankenstein (Enriched Classics) by Mary Shelley
5. The Grapes of Wrath (Penguin Classics) by John Steinbeck
6. The Divine Comedy: Inferno; Purgatorio; Paradiso (Everyman's Library) by Dante Alighieri
7. The Godfather (Signet) by Mario Puzo
8. The Adventures of Huckleberry Finn (Penguin Classics) by Mark Twain
9. Les Misérables (Signet Classics) by Victor Hugo
10. The Exorcist by William Peter Blatty