Based on sales for the week ending February 20, 2011

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

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

18. Barefoot Contessa How Easy Is That?
Ina Garten, Clarkson Potter, $35, 9780307238764

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

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

21. Townie: A Memoir
Andre Dubus III, Norton, $25.95, 9780393064667

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

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

24. How to Write a Sentence: And How to Read One
Stanley Fish, Harper, $19.99, 9780061840548

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

26. Triumph of the City
Edward Glaeser, Penguin, $29.95, 9781594202773

27. I Beat the Odds
Michael Oher, Gotham, $26, 9781592406128

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

29. The Investment Answer
Daniel C. Goldie, Business Plus, $18, 9781455503308

30. Wild Bill Donovan
Douglas Waller, Free Press, $30, 9781416567448

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

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

33. I Remember Nothing
Nora Ephron, Knopf, $22.95, 9780307595607

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

35. The Pioneer Woman
Ree Drummond, Morrow, $25.99, 9780061997167

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

37. Examined Lives
James Miller, FSG, $28, 9780374150853

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

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

40. Atlantic
Simon Winchester, Harper, $27.99, 9780061702587

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

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

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

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

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

46. The Last Boy
Jane Leavy, Harper, $27.99, 9780060883522

47. Hot
Mark Hertsgaard, Houghton Mifflin Harcourt, $25, 9780618826124

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

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

50. The 4-Hour Workweek
Timothy Ferriss, Crown, $22, 9780307465351