Based on sales for the week ending May 12, 2013

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

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

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

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

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

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

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

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

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

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

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

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

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

24. Judgment Call
J.A. Jance, Harper, $9.99, 9780061732805

25. Odd Apocalypse
Dean Koontz, Bantam, $9.99, 9780553593099

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

27. The Big Cat Nap
Rita Mae Brown, Sneaky Pie Brown, Bantam, $7.99, 9780345530455

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

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

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

31. Frozen Heat
Richard Castle, Hyperion, $9.99, 9780786891436

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

33. Mrs. Jeffries Turns the Tide
Emily Brightwell, Berkley, $7.99, 9780425252123

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

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

36. A Foreign Country
Charles Cumming, St. Martin's, $9.99, 9781250029980

37. Bad Luck and Trouble
Lee Child, Dell, $9.99, 9780440246015

38. Speaker for the Dead
Orson Scott Card, Tor, $7.99, 9780812550757

39. Bloodline
James Rollins, Harper, $9.99, 9780061785665

40. Guinness World Records 2013
Craig Glenday (Ed.), Bantam, $7.99, 9780345547118

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

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

43. Murder on Fifth Avenue
Victoria Thompson, Berkley, $7.99, 9780425255377

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

45. Earth Unaware
Orson Scott Card, Aaron Johnston, Tor, $7.99, 9780765367365

46. 61 Hours
Lee Child, Dell, $9.99, 9780440243694

47. The Cat, the Mill and the Murder
Leann Sweeney, Signet, $7.99, 9780451415417

48. Cat Nap
Claire Donally, Berkley, $7.99, 9780425252130

49. Persuader
Lee Child, Dell, $9.99, 9780440245988

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