Based on sales for the week ending November 20, 2011

16. Awkward Family Pet Photos
Mike Bender, Doug Chernack, Three Rivers, $15, 9780307888129

17. Moneyball
Michael Lewis, Norton, $15.95, 9780393338393

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

19. Seeing Further
Bill Bryson (Ed.), Harper Perennial, $18.99, 9780061999772

20. The Emperor of All Maladies
Siddhartha Mukherjee, Scribner, $18, 9781439170915

21. Atlantic
Simon Winchester, Harper Perennial, $15.99, 9780061702624

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

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

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

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

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

27. Let's Take the Long Way Home
Gail Caldwell, Random House, $14, 9780812979114

28. Earth: The Book
Jon Stewart, Grand Central, $16.99, 9780446199438

29. The Glass Castle
Jeannette Walls, Scribner, $15, 9780743247542

30. Holidays on Ice
David Sedaris, Back Bay, $10, 9780316078917

31. The Hidden Reality
Brian Greene, Vintage, $16.95, 9780307278128

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

33. I, Steve
George Beahm (Ed.), Agate B2, $10.95, 9781932841664

34. Pulphead
John Jeremiah Sullivan, FSG, $16, 9780374532901

35. The Year of Magical Thinking
Joan Didion, Vintage, $14.95, 9781400078431

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

37. Hero
Michael Korda, Harper Perennial, $17.99, 9780061712623

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

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

40. The Power of Now
Eckhart Tolle, New World , $14, 9781577314806

41. The Killing of Crazy Horse
Thomas Powers, Vintage, $17, 9780375714306

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

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

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

45. The Mind's Eye
Oliver Sacks, Vintage, $15, 9780307473028

46. 1491
Charles C. Mann, Vintage, $16.95, 9781400032051

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

48. A Secret Gift
Ted Gup, Penguin, $16, 9780143120001

49. The Best of the Rejection Collection
Matthew Diffee, Workman, $13.95, 9780761165781

50. The River of Doubt
Candice Millard, Broadway, $15, 9780767913737