Based on sales for the week ending October 9, 2011

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

17. Cocktail Hour Under the Tree of Forgetfulness
Alexandra Fuller, Penguin Press, $25.95, 9781594202995

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

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

20. The Price of Civilization
Jeffrey Sachs, Random House, $27, 9781400068418

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

22. The Magic of Reality
Richard Dawkins, Dave McKean (Illus.), Free Press, $29.99, 9781439192818

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

24. A Stolen Life
Jaycee Dugard, S&S, $24.99, 9781451629187

25. Just My Type
Simon Garfield, Gotham, $27.50, 9781592406524

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

27. The Better Angels of Our Nature
Steven Pinker, Viking, $40, 9780670022953

28. Five Chiefs
John Paul Stevens, Little Brown, $24.99, 9780316199803

29. The Quest
Daniel Yergin, Penguin Press, $37.95, 9781594202834

30. I Never Thought I'd See the Day!
David Jeremiah, Faithwords, $24.99, 9780446565950

31. What It Is Like to Go to War
Karl Marlantes, Atlantic Monthly, $25, 9780802119926

32. The Third Industrial Revolution
Jeremy Rifkin, Macmillan, $27, 9780230115217

33. Drama
John Lithgow, Harper, $26.99, 9780061734977

34. The Daily Show With Jon Stewart Presents Earth (The Book)
Jon Stewart, Grand Central, $27.99, 9780446579223

35. In My Time
Dick Cheney, Threshold Editions, $35, 9781439176191

36. Time for Outrage
Stephane Hessel, Twelve, $10, 9781455509720

37. Knocking on Heaven's Door
Lisa Randall, Ecco Press, $29.99, 9780061723728

38. Boo: The Life of the World's Cutest Dog
J.H. Lee, Chronicle, $12.95, 9781452103068

39. The Kitchen Counter Cooking School
Kathleen Flinn, Viking, $26.95, 9780670023004

40. The Family Meal
Ferran Adria, Phaidon Press, $29.95, 9780714862538

41. Obama's Wars
Bob Woodward, S&S, $30, 9781439172490

42. This Is Herman Cain!
Herman Cain, Threshold Editions, $25, 9781451666137

43. Going Home
Jon Katz, Villard , $22, 9780345502698

44. Columbus: The Four Voyages
Laurence Bergreen, Viking, $35, 9780670023011

45. Nothing Daunted
Dorothy Wickenden, Scribner, $26, 9781439176580

46. Sh*t My Dad Says
Justin Halpern, It Books, $15.99, 9780061992704

47. Life Itself
Roger Ebert, Grand Central, $27.99, 9780446584975

48. All My Friends Are Dead
Avery Monsen, Jory John, Chronicle, $9.95, 9780811874557

49. Quite Enough of Calvin Trillin
Calvin Trillin, Random House, $27, 9781400069828

50. Blood, Bones & Butter
Gabrielle Hamilton, Random House, $26, 9781400068722