Based on sales for the week ending October 9, 2011

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

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

18. One Day
David Nicholls, Vintage, $14.95, 9780307946713

19. Fall of Giants
Ken Follett, NAL, $25, 9780451232571

20. The Imperfectionists
Tom Rachman, Dial, $15, 9780385343671

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

22. By Nightfall
Michael Cunningham, Picador, $15, 9780312610432

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

24. The Fifth Witness
Michael Connelly, Grand Central, $14.99, 9781455510313

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

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

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

28. Half Broke Horses
Jeannette Walls, Scribner, $16, 9781416586296

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

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

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

32. The Potter's Field
Andrea Camilleri, Penguin, $15, 9780143120131

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

34. Nemesis
Philip Roth, Vintage, $15, 9780307475008

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

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

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

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

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

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

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

42. The Guernsey Literary and Potato Peel Pie Society
Mary Ann Shaffer, Annie Barrows, Dial, $15, 9780385341004

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

44. The Lacuna
Barbara Kingsolver, Harper Perennial, $16.99, 9780060852580

45. The Best American Nonrequired Reading 2011
Dave Eggers (Ed.), Mariner, $14.95, 9780547577432

46. All Our Worldly Goods
Irene Nemirovsky, Vintage, $14.95, 9780307743299

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

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

49. Dead or Alive
Tom Clancy, Grant Blackwood, Bellevue Literary Press, $18, 9780425244852

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