Based on sales for the week ending January 30, 2011

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

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

18. Poser
Claire Dederer, FSG, $26, 9780374236441

19. J. D. Salinger
Kenneth Slawenski, Random House, $27, 9781400069514

20. Neptune's Inferno
James D. Hornfischer, Bantam, $30, 9780553806700

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

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

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

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

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

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

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

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

29. Sexy Forever
Suzanne Somers, Crown, $25.99, 9780307588517

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

31. Hero
Michael Korda, Harper, $36, 9780061712616

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

33. As Always, Julia
Joan Reardon (Ed.), Houghton Mifflin Harcourt, $26, 9780547417714

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

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

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

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

38. The Next Decade
George Friedman, Doubleday Books, $27.95, 9780385532945

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

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

41. The Grand Design
Stephen Hawking, Leonard Mlodinow, Bantam, $28, 9780553805376

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

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

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

45. Simple Times
Amy Sedaris, Grand Central, $27.99, 9780446557030

46. The Quiet World
Douglas Brinkley, Harper, $29.99, 9780062005960

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

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

49. Washington
Ron Chernow, Penguin Press, $40, 9781594202667

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