Based on sales for the week ending September 2, 2012

16. The Keeper of Lost Causes
Jussi Adler-Olsen, Plume, $16, 9780452297906

17. The Shoemaker's Wife
Adriana Trigiani, Harper, $15.99, 9780061257100

18. The Perks of Being a Wallflower
Stephen Chbosky, MTV Books, $14, 9780671027346

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

20. 11/22/63
Stephen King, Gallery, $19.99, 9781451627299

21. The Buddha in the Attic
Julie Otsuka, Anchor, $13.95, 9780307744425

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

23. Bared to You
Sylvia Day, Berkley, $15, 9780425263907

24. Fahrenheit 451
Ray Bradbury, S&S, $11.99, 9781451673319

25. The Best of Me
Nicholas Sparks, Grand Central, $14.99, 9780446547642

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

27. The Song of Achilles
Madeline Miller, Ecco , $14.99, 9780062060624

28. The Time in Between
Maria Duenas, Atria, $16, 9781451616897

29. Ready Player One
Ernest Cline, Broadway, $14, 9780307887443

30. The Family Fang
Kevin Wilson, Ecco, $13.99, 9780061579059

31. Sharp Objects
Gillian Flynn, Three Rivers, $14, 9780307341556

32. Dark Places
Gillian Flynn, Three Rivers, $14, 9780307341570

33. The Importance of Being Seven
Alexander McCall Smith, Anchor, $15, 9780307739360

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

35. In the Woods
Tana French, Penguin, $16, 9780143113492

36. Swamplandia!
Karen Russell, Vintage, $14.95, 9780307276681

37. The Leopard
Jo Nesbø, Vintage, $14.95, 9780307743183

38. The Weird Sisters
Eleanor Brown, Berkley, $15, 9780425244142

39. The Kitchen House
Kathleen Grissom, Touchstone, $16, 9781439153666

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

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

42. The Dovekeepers
Alice Hoffman, Scribner, $16, 9781451617481

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

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

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

46. The House at Tyneford
Natasha Solomons, Plume, $15, 9780452297647

47. Life of Pi
Yann Martel, Harvest, $15.95, 9780156027328

48. The Flight of Gemma Hardy
Margot Livesey, Harper Perennial, $15.99, 9780062064233

49. Beautiful Disaster
Jamie McGuire, Atria, $15, 9781476712048

50. A Trick of the Light
Louise Penny, Minotaur, $14.99, 9781250007346