Based on sales for the week ending September 16, 2012

16. That Used to Be Us
Thomas L. Friedman, Michael Mandelbaum, Picador, $16, 9781250013729

17. The Untethered Soul
Michael A. Singer, New Harbinger, $16.95, 9781572245372

18. Cocktail Hour Under the Tree of Forgetfulness
Alexandra Fuller, Penguin, $15, 9780143121343

19. The Hare With Amber Eyes
Edmund de Waal, Picador, $16, 9780312569372

20. The Happiness Project
Gretchen Rubin, Harper, $14.99, 9780061583261

21. Outliers
Malcolm Gladwell, Back Bay, $16.99, 9780316017930

22. The 5 Love Languages
Gary Chapman, Northfield, $14.99, 9780802473158

23. The Devil in the White City
Erik Larson, Vintage, $15.95, 9780375725609

24. Admired
Mark C. Thompson, Bonita S. Thompson, Evolve, $12.99, 9780984762576

25. Steal Like an Artist
Austin Kleon, Workman, $10.95, 9780761169253

26. I Remember Nothing
Nora Ephron, Vintage, $14, 9780307742803

27. The Eighty-Dollar Champion
Elizabeth Letts, Ballantine, $16, 9780345521095

28. Born to Run
Christopher McDougall, Vintage, $15.95, 9780307279187

29. Destiny of the Republic
Candice Millard, Anchor, $16, 9780767929714

30. Just Kids
Patti Smith, Ecco, $16, 9780060936228

31. Incognito
David M. Eagleman, Vintage, $15.95, 9780307389923

32. Just My Type
Simon Garfield, Gotham, $16, 9781592407460

33. I Feel Bad About My Neck
Nora Ephron, Vintage, $14, 9780307276827

34. The Four Agreements
Don Miguel Ruiz, Amber-Allen, $12.95, 9781878424310

35. Nothing Daunted
Dorothy Wickenden, Scribner, $15, 9781439176597

36. The Glass Castle
Jeannette Walls, Scribner, $16, 9780743247542

37. Empire of the Summer Moon
S.C. Gwynne, Scribner, $16, 9781416591061

38. Beyond Outrage
Robert B. Reich, Vintage, $9.99, 9780345804372

39. Rand McNally 2013 Road Atlas
Rand McNally, $13.95, 9780528006227

40. What It Is Like to Go to War
Karl Marlantes, Grove Press, $15, 9780802145925

41. The Pocket Thich Nhat Hanh
Thich Nhat Hanh, Shambhala, $7.95, 9781590309360

42. The Table Comes First
Adam Gopnik, Vintage, $15.95, 9780307476968

43. Blood, Bones & Butter
Gabrielle Hamilton, Random House, $16, 9780812980882

44. Following Atticus
Tom Ryan, Morrow, $15.99, 9780061997112

45. The Greater Journey
David McCullough, S&S, $20, 9781416571773

46. Night
Elie Wiesel, FSG, $9.95, 9780374500016

47. 1491
Charles C. Mann, Vintage, $16.95, 9781400032051

48. A People's History of the United States
Howard Zinn, Harper, $18.99, 9780060838652

49. The Time of Our Lives
Tom Brokaw, Random House Trade, $17, 9780812975123

50. The River of Doubt
Candice Millard, Broadway, $16, 9780767913737