Based on sales for the week ending October 2, 2011

16. How to Live
Sarah Bakewell, Other Press, $16.95, 9781590514832

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

18. Life
Keith Richards, Back Bay, $16.99, 9780316034418

19. Zeitoun
Dave Eggers, Vintage, $15.95, 9780307387943

20. The Big Short
Michael Lewis, Norton, $15.95, 9780393338829

21. 1491
Charles C. Mann, Vintage, $16.95, 9781400032051

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

23. Inside of a Dog
Alexandra Horowitz, Scribner, $16, 9781416583431

24. Fifth Avenue, 5 A.M.
Sam Wasson, Harper Perennial, $13.99, 9780061774164

25. Travels in Siberia
Ian Frazier, Picador, $20, 9780312610609

26. Washington: A Life
Ron Chernow, Penguin, $20, 9780143119968

27. Rand McNally Road Atlas 2012
Rand McNally, $13.95, 9780528003363

28. Sex at Dawn
Christopher Ryan, Cacilda Jetha, Harper Perennial, $15.99, 9780061707810

29. The Best American Nonrequired Reading 2011
Dave Eggers (Ed.), Mariner, $14.95, 9780547577432

30. Eat to Live
Joel Fuhrman, Little Brown, $15.99, 9780316120913

31. What to Expect When You're Expecting
Heidi Murkoff, Sharon Mazel, Workman, $14.95, 9780761148579

32. Griftopia
Matt Taibbi, Spiegel & Grau, $16, 9780385529969

33. The Disappearing Spoon
Sam Kean, Back Bay, $14.99, 9780316051637

34. Lucky Peach, Issue 1: Ramen
Chris Ying (Ed.), McSweeney's, $10, 9781936365463

35. 6 Steps to 7 Figures
Pat Hiban, Greenleaf, $16.95, 9781608321742

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

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

38. Don't Let's Go to the Dogs Tonight
Alexandra Fuller, Random House, $15, 9780375758997

39. Bird Cloud
Annie Proulx, Scribner, $16, 9780743288811

40. The Wave
Susan Casey, Anchor, $15.95, 9780767928854

41. The Best American Science and Nature Writing 2011
Mary Roach (Ed.), Mariner, $14.95, 9780547350639

42. When Parents Text
Sophia Fraioli, Lauren Kaelin, Workman, $10.95, 9780761166047

43. The Tiger
John Vaillant, Vintage, $15, 9780307389046

44. The Best American Essays 2011
Edwidge Danticat (Ed.), Mariner, $14.95, 9780547479774

45. Slow Love
Dominique Browning, Plume, $15, 9780452297500

46. Zagat San Francisco Bay Area Restaurants 2012
Zagat, $15.95, 9781604784046

47. The Best American Science Writing 2011
Rebecca Skloot, Jesse Cohen, Ecco, $14.99, 9780062091246

48. I'm Not the Biggest Bitch in This Relationship
Wade Rouse (Ed.), NAL, $14, 9780451234582

49. What the Dog Saw
Malcolm Gladwell, Back Bay, $16.99, 9780316076203

50. Chelsea Chelsea Bang Bang
Chelsea Handler, Grand Central, $15.99, 9780446552431