Based on sales for the week ending April 15, 2012

11. Sixkill
Robert B. Parker, Berkley, $9.99, 9780425246900

12. The Girl With the Dragon Tattoo
Stieg Larsson, Vintage, $9.99, 9780307949486

13. Abraham Lincoln: Vampire Hunter
Seth Grahame-Smith, Grand Central, $7.99, 9781455510184

14. The Catcher in the Rye
J.D. Salinger, Warner, $6.99, 9780316769488

15. The Lucky One
Nicholas Sparks, Grand Central, $7.99, 9781455508976

16. Dead Reckoning
Charlaine Harris, Ace, $7.99, 9781937007355

17. The Lucky One
Nicholas Sparks, Vision, $7.99, 9780446618328

18. 1984
George Orwell, Signet, $9.99, 9780451524935

19. Live Wire
Harlan Coben, Signet, $9.99, 9780451233936

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

21. Portrait of a Spy
Daniel Silva, Harper, $9.99, 9780062073143

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

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

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

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

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

27. Cold Wind
C.J. Box, Berkley, $9.99, 9780425246917

28. Good Omens
Neil Gaiman, Terry Pratchett, HarperTorch, $7.99, 9780060853983

29. Timeless
Gail Carriger, Orbit, $7.99, 9780316127189

30. Nemesis
Jo Nesbø, Harper, $7.99, 9780062119698

31. The Sentry
Robert Crais, Berkley, $9.99, 9780425245729

32. Mourning Gloria
Susan Wittig Albert, Berkley Prime Crime, $7.99, 9780425247013

33. The Sixth Man
David Baldacci, Vision, $9.99, 9780446573092

34. Against All Enemies
Tom Clancy, Peter Telep, Berkley, $9.99, 9780425246061

35. Son of Stone
Stuart Woods, Signet, $9.99, 9780451236357

36. The Jungle
Clive Cussler, Jack B. Du Brul, Berkley, $9.99, 9780425246542

37. The Devil Colony
James Rollins, Harper, $9.99, 9780061785658

38. I'll Walk Alone
Mary Higgins Clark, Pocket, $7.99, 9781439180976

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

40. Only Time Will Tell
Jeffrey Archer, St. Martin's, $9.99, 9780312539566

41. Dune
Frank Herbert, Ace, $9.99, 9780441172719

42. Tom Clancy Presents: Act of Valor
Dick Couch, George Galdorisi, Berkley, $9.99, 9780425259351

43. Towers of Midnight
Robert Jordan, Brandon Sanderson, Tor, $9.99, 9780765364876

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

45. The Redbreast
Jo Nesbø, Harper, $7.99, 9780062068422

46. Love You More
Lisa Gardner, Bantam, $7.99, 9780553591927

47. The Postcard Killers
James Patterson, Liza Marklund, Vision, $9.99, 9781455506637

48. Still Life
Louise Penny, St. Martin's, $7.99, 9780312948559

49. Hiss of Death
Rita Mae Brown, Bantam, $7.99, 9780553591613

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