Based on sales for the week ending October 23, 2011

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

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

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

19. Great House
Nicole Krauss, Norton, $14.95, 9780393340648

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

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

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

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

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

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

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

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

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

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

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

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

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

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

34. Djibouti
Elmore Leonard, Harper, $14.99, 9780061735219

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

36. The Rum Diary
Hunter S. Thompson, S&S, $15, 9781451659719

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

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

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

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

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

42. A Red Herring Without Mustard
Alan Bradley, Bantam, $15, 9780385343466

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

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

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

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

47. The Sweetness at the Bottom of the Pie
Alan Bradley, Bantam, $15, 9780385343497

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

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

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