Based on sales for the week ending December 11, 2011

16. Started Early, Took My Dog
Kate Atkinson, Reagan Arthur Books, $14.99, 9780316066747

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

18. The Lake of Dreams
Kim Edwards, Penguin, $16, 9780143120360

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

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

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

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

23. A Christmas Blizzard
Garrison Keillor, Penguin, $13, 9780143119883

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

25. A Secret Kept
Tatiana De Rosnay, St. Martin's, $14.99, 9780312553494

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

27. The Postmistress
Sarah Blake, Berkley, $15, 9780425238691

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

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

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

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

32. City of Thieves
David Benioff, Plume, $15, 9780452295292

33. The Sherlockian
Graham Moore, Twelve, $14.99, 9780446572583

34. Extremely Loud and Incredibly Close
Jonathan Safran Foer, Mariner, $14.95, 9780618711659

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

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

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

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

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

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

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

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

43. The Next Always
Nora Roberts, Berkley, $16, 9780425243213

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

45. Tinker, Tailor, Soldier, Spy
John le Carre, Penguin, $16, 9780143119784

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

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

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

49. The Great Gatsby
F. Scott Fitzgerald, Scribner, $14, 9780743273565

50. The Best American Mystery Stories 2011
Harlan Coben (Ed.), Mariner, $14.95, 9780547553962