Based on sales for the week ending April 28, 2013

11. Bossypants
Tina Fey, Reagan Arthur/Little Brown, $8.99, 9780316056892

12. American Sniper
Chris Kyle, Harper, $9.99, 9780062238863

13. 1984
George Orwell, Signet, $9.99, 9780451524935

14. The Innocent
David Baldacci, Vision, $9.99, 9780446572989

15. Calico Joe
John Grisham, Dell, $7.99, 9780345541338

16. The Wise Man's Fear
Patrick Rothfuss, Daw, $9.99, 9780756407919

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

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

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

20. The Lost Years
Mary Higgins Clark, Pocket, $7.99, 9781451668926

21. Killing Floor
Lee Child, Jove, $9.99, 9780515153651

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

23. Force of Nature
C.J. Box, Berkley, $9.99, 9780425250655

24. The Hobbit
J.R.R. Tolkien, Del Rey, $8.99, 9780345534835

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

26. Fall of Giants
Ken Follett, Signet, $9.99, 9780451232854

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

28. Stay Close
Harlan Coben, Signet, $9.99, 9780451233967

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

30. Robert B. Parker's Lullaby
Ace Atkins, Berkley, $9.99, 9780425260982

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

32. Tripwire
Lee Child, Jove, $9.99, 9780515143072

33. The Affair
Lee Child, Dell, $9.99, 9780440246305

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

35. 61 Hours
Lee Child, Dell, $9.99, 9780440243694

36. The Eye of the World
Robert Jordan, Tor, $7.99, 9780812511819

37. Existence
David Brin, Tor, $9.99, 9780765342621

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

39. The Best of Me
Nicholas Sparks, Grand Central, $8, 9780446547635

40. The Hunter
John Lescroart, Signet, $9.99, 9780451414564

41. The Litigators
John Grisham, Dell, $9.99, 9780345530561

42. One Flew Over the Cuckoo's Nest
Ken Kesey, Signet, $9.99, 9780451163967

43. Romeo and Juliet
William Shakespeare, Pocket, $5.99, 9780743477116

44. The Risk Agent
Ridley Pearson, Jove, $9.99, 9780515153040

45. Running Blind
Lee Child, Jove, $9.99, 9780515143508

46. Deadlocked
Charlaine Harris, Ace, $7.99, 9780425256381

47. Die Trying
Lee Child, Jove, $9.99, 9780515142242

48. The Third Gate
Lincoln Child, Anchor, $7.99, 9780307473745

49. V Is for Vengeance
Sue Grafton, Berkley, $7.99, 9780425250563

50. Severe Clear
Stuart Woods, Signet, $9.99, 9780451414373