Based on sales for the week ending January 29, 2012

16. A Dance With Dragons
George R.R. Martin, Bantam, $35, 9780553801477

17. Rules of Civility
Amor Towles, Viking, $26.95, 9780670022694

18. The Rope
Nevada Barr, Minotaur, $25.99, 9780312614577

19. The Cat's Table
Michael Ondaatje, Knopf, $26, 9780307700117

20. The Litigators
John Grisham, Doubleday, $28.95, 9780385535137

21. Caleb's Crossing
Geraldine Brooks, Viking, $26.95, 9780670021048

22. The Flight of Gemma Hardy
Margot Livesey, Harper, $26.99, 9780062064226

23. The Flame Alphabet
Ben Marcus, Knopf, $25.95, 9780307379375

24. The Leopard
Jo Nesbø, Knopf, $26.95, 9780307595874

25. Hope: A Tragedy
Shalom Auslander, Riverhead, $26.95, 9781594488382

26. Salvage the Bones
Jesmyn Ward, Bloomsbury, $24, 9781608195220

27. The Odds
Stewart O'Nan, Viking Books, $25.95, 9780670023165

28. The Best of Me
Nicholas Sparks, Grand Central, $25.99, 9780446547659

29. Running the Rift
Naomi Benaron, Algonquin, $24.95, 9781616200428

30. The Drop
Michael Connelly, Little Brown, $27.99, 9780316069410

31. Jack Holmes and His Friend
Edmund White, Bloomsbury, $26, 9781608197033

32. Private: #1 Suspect
James Patterson, Maxine Paetro, Little Brown, $27.99, 9780316097406

33. All I Did Was Shoot My Man
Walter Mosley, Riverhead, $26.95, 9781594488245

34. The Language of Flowers
Vanessa Diffenbaugh, Ballantine, $25, 9780345525543

35. American Dervish
Ayad Akhtar, Little Brown, $24.99, 9780316183314

36. The Dovekeepers
Alice Hoffman, Scribner, $27.99, 9781451617474

37. Lunatics
Dave Barry, Alan Zweibel, Putnam Adult, $25.95, 9780399158698

38. Death of Kings
Bernard Cornwell, Harper, $27.99, 9780061969652

39. The Prague Cemetery
Umberto Eco, Houghton Mifflin Harcourt, $27, 9780547577531

40. Shadows in Flight
Orson Scott Card, Tor, $21.99, 9780765332004

41. The Chalk Girl
Carol O. Connell, Putnam, $25.95, 9780399157745

42. Mr G: A Novel about the Creation
Alan P. Lightman, Pantheon, $24.95, 9780307379993

43. Explosive Eighteen
Janet Evanovich, Bantam, $28, 9780345527714

44. The Buddha in the Attic
Julie Otsuka, Knopf, $22, 9780307700001

45. Breakdown
Sara Paretsky, Putnam, $26.95, 9780399157837

46. The World We Found
Thrity Umrigar, Harper, $25.99, 9780061938344

47. Love in a Nutshell
Janet Evanovich, Dorien Kelly, St. Martin's, $27.99, 9780312651312

48. V Is for Vengeance
Sue Grafton, Marian Wood Books/Putnam, $27.95, 9780399157868

49. Damned
Chuck Palahniuk, Doubleday, $24.95, 9780385533027

50. The Last Nude
Ellis Avery, Riverhead, $25.95, 9781594488139