Based on sales for the week ending July 17, 2011

11. Ender's Game
Orson Scott Card, Tor, $6.99, 9780812550702

12. Fahrenheit 451
Ray Bradbury, Ballantine, $6.99, 9780345342966

13. The Girl With the Dragon Tattoo
Stieg Larsson, Vintage, $7.99, 9780307473479

14. The Girl Who Played With Fire
Stieg Larsson, Vintage, $7.99, 9780307476159

15. Lord of the Flies
William Golding, Berkley, $9.99, 9780399501487

16. The Name of the Wind
Patrick Rothfuss, DAW, $8.99, 9780756404741

17. Heartless
Gail Carriger, Orbit, $7.99, 9780316127196

18. Body Work
Sara Paretsky, Signet, $9.99, 9780451413086

19. Worth Dying For
Lee Child, Dell, $9.99, 9780440246299

20. The Official Scrabble Players Dictionary, 4th Edition
Merriam-Webster, $7.50, 9780877799290

21. The Hobbit
J.R.R. Tolkien, Ballantine, $7.99, 9780345339683

22. The Lost Symbol
Dan Brown, Anchor, $9.99, 9781400079148

23. Dead Until Dark
Charlaine Harris, Ace, $7.99, 9780441016990

24. Atlas Shrugged
Ayn Rand, Signet, $9.99, 9780451191144

25. Animal Farm
George Orwell, Signet, $9.99, 9780451526342

26. Burn
Nevada Barr, Minotaur, $9.99, 9780312381806

27. Caught
Harlan Coben, Signet, $9.99, 9780451232700

28. American Gods
Neil Gaiman, HarperTorch, $7.99, 9780380789030

29. Slaughterhouse-Five
Kurt Vonnegut, Laurel Leaf, $7.99, 9780440180296

30. Killing Floor
Lee Child, Penguin, $9.99, 9780515141429

31. The Shadow of Your Smile
Mary Higgins Clark, Pocket, $7.99, 9781439180983

32. The Cobra
Frederick Forsyth, Signet, $9.99, 9780451233561

33. The Diary of a Young Girl
Anne Frank, Bantam, $7.99, 9780553577129

34. This Body of Death
Elizabeth George, Harper, $9.99, 9780061160912

35. Mythology
Edith Hamilton, Grand Central, $9.99, 9780446574754

36. The Lincoln Lawyer
Michael Connelly, Grand Central, $7.99, 9781455500239

37. The Fountainhead
Ayn Rand, NAL, $9.99, 9780451191151

38. Outlander
Diana Gabaldon, Dell, $8.99, 9780440212560

39. Spider Bones
Kathy Reichs, Pocket, $7.99, 9781439102404

40. The Pillars of the Earth
Ken Follett, Signet, $9.99, 9780451232816

41. Worst Case
James Patterson, Michael Ledwidge, Vision, $9.99, 9780446574730

42. 61 Hours
Lee Child, Dell , $9.99, 9780440243694

43. The Hitchhiker's Guide to the Galaxy
Douglas Adams, Del Rey, $7.99, 9780345391803

44. Storm Prey
John Sandford, Berkley, $9.99, 9780425241448

45. Books Can Be Deceiving
Jenn McKinlay, Berkley, $7.99, 9780425242186

46. Tough Customer
Sandra Brown, Pocket Star, $9.99, 9781416563112

47. Robert Ludlum's The Bourne Objective
Eric Van Lustbader, Vision, $9.99, 9780446539791

48. The Black Cat
Martha Grimes, Signet, $9.99, 9780451232946

49. The Search
Nora Roberts, Jove, $7.99, 9780515149487

50. All Quiet on the Western Front
Erich Maria Remarque, Ballantine, $6.99, 9780449213940