Based on sales for the week ending February 6, 2011

16. Bird Cloud
Annie Proulx, Scribner, $26, 9780743288804

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

18. Decision Points
George W. Bush, Crown, $35, 9780307590619

19. The Pioneer Woman: Black Heels to Tractor Wheels
Ree Drummond, Morrow, $25.99, 9780061997167

20. The Emperor of All Maladies
Siddhartha Mukherjee, Scribner, $30, 9781439107959

21. American Rose
Karen Abbott, Random House, $26, 9781400066919

22. Little Princes
Conor Grennan, Morrow, $25.99, 9780061930058

23. The Warmth of Other Suns
Isabel Wilkerson, Random House, $30, 9780679444329

24. Cinderella Ate My Daughter
Peggy Orenstein, Harper, $25.99, 9780061711527

25. All Things Shining
Hubert Dreyfus, Sean Dorrance Kelly, Free Press, $26, 9781416596158

26. The Wave
Susan Casey, Doubleday, $27.95, 9780767928847

27. J.D. Salinger: A Life
Kenneth Slawenski, Random House, $27, 9781400069514

28. Sexy Forever
Suzanne Somers, Crown Archetype, $25.99, 9780307588517

29. Born to Run
Christopher McDougall, Knopf, $24.95, 9780307266309

30. Zombie Spaceship Wasteland
Patton Oswalt, Scribner, $24, 9781439149089

31. Wait for Me!
Deborah Mitford, FSG, $28, 9780374207687

32. The Tell-Tale Brain
V.S. Ramachandran, Norton, $26.95, 9780393077827

33. Decoded
Jay-Z, Spiegel & Grau, $35, 9781400068920

34. The Longest War
Peter L. Bergen, Free Press, $28, 9780743278935

35. The Memory Palace
Mira Bartok, Free Press, $25, 9781439183311

36. My Father at 100
Ron Reagan, Viking, $25.95, 9780670022595

37. My Reading Life
Pat Conroy, Nan A. Talese, $25, 9780385533577

38. Outliers
Malcolm Gladwell, Little Brown, $27.99, 9780316017923

39. Guinness World Records 2011
, Guinness, $28.95, 9781904994589

40. Colonel Roosevelt
Edmund Morris, Random House, $35, 9780375504877

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

42. Endgame
Frank Brady, Crown, $25.99, 9780307463906

43. Why We Get Fat
Gary Taubes, Knopf, $24.95, 9780307272706

44. Veganist
Kathy Freston, Weinstein Books, $25, 9781602861336

45. Apollo's Angels
Jennifer Homans, Random House, $35, 9781400060603

46. Death of the Liberal Class
Chris Hedges, Nation Books, $24.95, 9781568586441

47. The Tiger
John Vaillant, Knopf, $26.95, 9780307268938

48. The Next Decade
George Friedman, Doubleday, $27.95, 9780385532945

49. How to Write a Sentence
Stanley Fish, Harper, $19.99, 9780061840548

50. Griftopia
Matt Taibbi, Spiegel & Grau, $26, 9780385529952