Based on sales for the week ending May 6, 2012

16. The Troubled Man
Henning Mankell, Vintage, $15, 9780307477408

17. Salvage the Bones
Jesmyn Ward, Bloomsbury, $15, 9781608196265

18. The Sisters Brothers
Patrick DeWitt, Ecco, $14.99, 9780062041289

19. The American Heiress
Daisy Goodwin, St. Martin's Griffin, $14.99, 9780312658663

20. Wolf Hall
Hilary Mantel, Picador, $16, 9780312429980

21. A Visit From the Goon Squad
Jennifer Egan, Anchor, $14.95, 9780307477477

22. The Girl Who Kicked the Hornet's Nest
Stieg Larsson, Vintage, $15.95, 9780307454560

23. Cutting for Stone
Abraham Verghese, Vintage, $15.95, 9780375714368

24. The Art of Racing in the Rain
Garth Stein, Harper, $14.99, 9780061537967

25. The Saturday Big Tent Wedding Party
Alexander McCall Smith, Anchor, $14.95, 9780307472984

26. The Help
Kathryn Stockett, Berkley, $16, 9780425245132

27. Clara and Mr. Tiffany
Susan Vreeland, Random House, $15, 9780812980189

28. The Art of Hearing Heartbeats
Jan-Philipp Sendker, Other Press, $14.95, 9781590514634

29. A Discovery of Witches
Deborah Harkness, Penguin, $16, 9780143119685

30. What Alice Forgot
Liane Moriarty, Berkley, $15, 9780425247440

31. Doc
Mary Doria Russell, Ballantine, $15, 9780812980004

32. The Pale King
David Foster Wallace, Back Bay, $16.99, 9780316074223

33. 22 Britannia Road
Amanda Hodgkinson, Penguin, $16, 9780143121046

34. Drawing Conclusions
Donna Leon, Penguin, $15, 9780143120643

35. The Girl Who Played With Fire
Stieg Larsson, Vintage, $15.95, 9780307454553

36. Room
Emma Donoghue, Back Bay, $14.99, 9780316098328

37. Major Pettigrew's Last Stand
Helen Simonson, Random House, $15, 9780812981223

38. Crusoe's Daughter
Jane Gardam, Europa Editions, $16, 9781609450694

39. Trapeze
Simon Mawer, Other Press, $15.95, 9781590515273

40. A Game of Thrones
George R.R. Martin, Bantam, $17, 9780553386790

41. Turn of Mind
Alice LaPlante, Grove Press, $15, 9780802145901

42. Pirate King
Laurie R. King, Bantam, $15, 9780553386752

43. The Night Strangers
Chris Bohjalian, Broadway Books, $15, 9780307395009

44. Extremely Loud and Incredibly Close
Jonathan Safran Foer, Mariner, $14.95, 9780547735023

45. The Last Werewolf
Glen Duncan, Vintage, $14.95, 9780307742179

46. Hotel on the Corner of Bitter and Sweet
Jamie Ford, Ballantine, $15, 9780345505347

47. Sarah's Key
Tatiana De Rosnay, St. Martin's, $13.99, 9781250004345

48. The Great Gatsby
F.Scott Fitzgerald, Scribner, $15, 9780743273565

49. The Lady of the Rivers
Philippa Gregory, Touchstone, $16, 9781416563716

50. The Alchemist
Paulo Coelho, HarperOne, $14.99, 9780061122415