Based on sales for the week ending December 4, 2011

16. The Swerve
Stephen Greenblatt, Norton, $26.95, 9780393064476

17. The Time of Our Lives
Tom Brokaw, Random House, $26, 9781400064588

18. Guinness World Records 2012
Guinness, $28.95, 9781904994671

19. Spontaneous Happiness
Andrew Weil, Little Brown, $27.99, 9780316129442

20. Back to Work
Bill Clinton, Knopf, $23.95, 9780307959751

21. Destiny of the Republic
Candice Millard, Doubleday, $28.95, 9780385526265

22. The Greater Journey
David McCullough, S&S, $37.50, 9781416571766

23. Is Everyone Hanging Out Without Me? (And Other Concerns)
Mindy Kaling, Crown Archetype, $25, 9780307886262

24. Bossypants
Tina Fey, Reagan Arthur, $26.99, 9780316056861

25. Seriously... I'm Kidding
Ellen DeGeneres, Grand Central, $26.99, 9780446585026

26. Throw Them All Out
Peter Schweizer, Houghton Mifflin Harcourt, $26, 9780547573144

27. Rome
Robert Hughes, Knopf, $35, 9780307268440

28. Inferno
Max Hastings, Knopf, $35, 9780307273598

29. Lions of the West
Robert Morgan, Shannon Ravenel, $29.95, 9781565126268

30. Gabby
Gabrielle Giffords, Mark Kelly, Scribner, $26.99, 9781451661064

31. The New New Rules
Bill Maher, Blue Rider, $26.95, 9780399158414

32. Midnight Rising
Tony Horwitz, Henry Holt, $29, 9780805091533

33. Being George Washington
Glenn Beck, Threshold Editions, $26, 9781451659269

34. 1493
Charles C. Mann, Knopf, $30.50, 9780307265722

35. How I Got This Way
Regis Philbin, It Books, $25.99, 9780062109750

36. Following Atticus
Tom Ryan, Morrow, $25.99, 9780061997105

37. And So It Goes
Charles J. Shields, Henry Holt, $30, 9780805086935

38. Pacific Crucible
Ian W. Toll, Norton, $35, 9780393068139

39. Just My Type
Simon Garfield, Gotham, $27.50, 9781592406524

40. No Higher Honor
Condoleezza Rice, Crown, $35, 9780307587862

41. Jacqueline Kennedy
Caroline Kennedy, Michael Beschloss, Hyperion, $60, 9781401324254

42. The Eighty-Dollar Champion
Elizabeth Letts, Ballantine, $26, 9780345521088

43. That Used to Be Us
Thomas L. Friedman, Michael Mandelbaum, FSG, $28, 9780374288907

44. Why Read Moby-Dick?
Nathaniel Philbrick, Viking, $25, 9780670022991

45. Plenty
Yotam Ottolenghi, Chronicle, $35, 9781452101248

46. The Table Comes First
Adam Gopnik, Knopf, $25.95, 9780307593450

47. Here Comes Trouble
Michael Moore, Grand Central, $26.99, 9780446532242

48. Look, I Made a Hat
Stephen Sondheim, Knopf, $45, 9780307593412

49. Hemingway's Boat
Paul Hendrickson, Knopf, $30, 9781400041626

50. Nearing Home
Billy Graham, Thomas Nelson, $19.99, 9780849948329