Based on sales for the week ending December 25, 2011

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

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

18. Arguably
Christopher Hitchens, Twelve, $30, 9781455502776

19. Food Rules
Michael Pollan, Maira Kalman (Illus.), Penguin Press, $23.95, 9781594203084

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

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

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

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

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

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

26. Blue Nights
Joan Didion, Knopf, $25, 9780307267672

27. Through My Eyes
Tim Tebow, Harper, $26.99, 9780062007285

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

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

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

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

32. 1493
Charles C. Mann, Knopf, $30.50, 9780307265722

33. Jerusalem
Simon Sebag Montefiore, Knopf, $35, 9780307266514

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

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

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

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

38. Hedy's Folly
Richard Rhodes, Doubleday, $26.95, 9780385534383

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

40. The Cook's Illustrated Cookbook
Cook's Illustrated Magazine (Ed.), Cook's Illustrated, $40, 9781933615899

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

42. One on One
John Feinstein, Little Brown, $27.99, 9780316079044

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

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

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

46. Joy of Cooking (75th Anniversary Ed.)
Irma S. Rombauer, et al., Scribner, $35, 9780743246262

47. The 50 Funniest American Writers
Andy Borowitz (Ed.), Library of America, $27.95, 9781598531077

48. Midnight Rising
Tony Horwitz, Holt, $29, 9780805091533

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

50. War Room
Michael Holley, It Books, $25.99, 9780062082398