Based on sales for the week ending September 25, 2011

16. A Dog's Purpose
W.Bruce Cameron, Forge, $12.99, 9780765330345

17. Headhunters
Jo Nesbø, Vintage, $14.95, 9780307948687

18. Little Bee
Chris Cleave, S&S, $15, 9781416589648

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

20. The Cookbook Collector
Allegra Goodman, Dial, $15, 9780385340861

21. The Magicians
Lev Grossman, Plume, $16, 9780452296299

22. The Elegance of the Hedgehog
Muriel Barbery, Europa Editions, $15, 9781933372600

23. Water for Elephants
Sara Gruen, Algonquin, $14.95, 9781616200701

24. The Tower, the Zoo, and the Tortoise
Julia Stuart, Anchor, $14.95, 9780307476913

25. Tinkers
Paul Harding, Bellevue Literary Press, $14.95, 9781934137123

26. Matterhorn
Karl Marlantes, Grove Press, $15.95, 9780802145314

27. Let the Great World Spin
Colum McCann, Random House, $15, 9780812973990

28. The Invisible Bridge
Julie Orringer, Vintage, $15.95, 9781400034376

29. Faithful Place
Tana French, Penguin, $16, 9780143119494

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

31. The Girl With the Dragon Tattoo
Stieg Larsson, Vintage, $14.95, 9780307454546

32. Super Sad True Love Story
Gary Shteyngart, Random House, $15, 9780812977868

33. You Deserve Nothing
Alexander Kolya Maksik, Europa Editions, $15, 9781609450489

34. The Girl Who Fell From the Sky
Heidi W. Durrow, Algonquin, $13.95, 9781616200152

35. The Forgotten Garden
Kate Morton, Washington Square Press, $15, 9781416550556

36. Left Neglected
Lisa Genova, Gallery, $15, 9781439164655

37. The Sixth Man
David Baldacci, Grand Central, $14.99, 9781455510320

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

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

40. Crooked Letter, Crooked Letter
Tom Franklin, Harper Perennial, $14.99, 9780060594671

41. To the End of the Land
David Grossman, Vintage, $15.95, 9780307476401

42. The Distant Hours
Kate Morton, Washington Square Press, $15, 9781439152799

43. The Thousand Autumns of Jacob de Zoet
David Mitchell, Random House, $15, 9780812976366

44. French Lessons
Ellen Sussman, Ballantine, $15, 9780345522771

45. How to Live Safely in a Science Fictional Universe
Charles Yu, Vintage, $14.95, 9780307739452

46. Luka and the Fire of Life
Salman Rushdie, Random House, $15, 9780679783473

47. Juliet
Anne Fortier, Ballantine, $15, 9780345516114

48. In the Company of Others
Jan Karon, Penguin, $16, 9780143119913

49. Safe Haven
Nicholas Sparks, Grand Central, $14.99, 9780446547604

50. The Windup Girl
Paolo Bacigalupi, Night Shade, $14.95, 9781597801584