1. 1984 (Signet Classics) by George Orwell and Erich Fromm - 10 people
   
2. The Kite Runner by Khaled Hosseini - 8 people
   
3. Harry Potter and the Deathly Hallows (Book 7) by J. K. Rowling and Mary GrandPré - 6 people
   
4. The Cult of the Amateur: How Today's Internet is Killing Our Culture by Andrew Keen - 5 people
   
5. The Difference Engine (Spectra Special Editions) by William Gibson and Bruce Sterling - 4 people
   

1. Twilight (The Twilight Saga, Book 1) by Stephenie Meyer - 3 people
   
2. 1984 (Signet Classics) by George Orwell and Erich Fromm - 2 people
   
3. The Black Swan: The Impact of the Highly Improbable by Nassim Nicholas Taleb - 2 people
   
4. The Revolution: A Manifesto by Ron Paul - 2 people
   
5. 15 Books in 1: L. Frank Baum's Original "Oz" Series. The Wonderful Wizard of Oz, The Marvelous Land of Oz, Ozma of Oz, Dorothy and the Wizard in Oz, The Road to Oz, The Emerald City of Oz, The Patchwo by L, Frank Baum - 2 people
   

1. Harry Potter and the Deathly Hallows (Book 7) by J. K. Rowling and Mary GrandPré - 15 people
   
2. 1984 (Signet Classics) by George Orwell and Erich Fromm - 11 people
   
3. Harry Potter and the Sorcerer's Stone (Book 1) by J.K. Rowling and Mary GrandPré - 10 people
   
4. The Da Vinci Code by Dan Brown - 10 people
   
5. Nineteen Eighty-Four by George Orwell and Thomas Pynchon - 6 people
   

1. Halting State by Charles Stross - 1 person
   
2. The New School of Information Security by Adam Shostack - 1 person
   
3. JavaScript: The Good Parts by Douglas Crockford - 1 person
   
4. Breaking Dawn (The Twilight Saga, Book 4) by Stephenie Meyer - 1 person
   
5. Trade Your Way to Financial Freedom by Van K. Tharp - 1 person