Based on sales for the week ending December 11, 2011

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

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

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

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

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

21. Lucky Peach: Issue 2
David Chang (Ed.), McSweeney's, $12, 9781936365470

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

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

24. 1,000 Places to See Before You Die, the Second Edition
Patricia Schultz, Workman, $19.95, 9780761156864

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

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

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

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

29. 1491
Charles C. Mann, Vintage, $16.95, 9781400032051

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

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

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

33. Awkward Family Photos
Mike Bender, Doug Chernack, Three Rivers, $15, 9780307592293

34. You Had Me at Woof
Julie Klam, Riverhead, $15, 9781594485411

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

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

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

38. The Best American Sports Writing 2011
Jane Leavy (Ed.), Mariner, $14.95, 9780547336961

39. Washington
Ron Chernow, Penguin, $20, 9780143119968

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

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

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

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

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

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

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

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

48. Food Rules
Michael Pollan, Penguin, $11, 9780143116387

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

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