Based on sales for the week ending March 20, 2011

16. A Widow's Story
Joyce Carol Oates, Ecco Press, $27.99, 9780062015532

17. Physics of the Future
Michio Kaku, Doubleday, $28.95, 9780385530804

18. The Company We Keep
Robert Baer, Dayna Baer, Crown, $26, 9780307588142

19. Moby-Duck
Donovan Hohn, Viking, $27.95, 9780670022199

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

21. To a Mountain in Tibet
Colin Thubron, Harper, $24.99, 9780061768262

22. And Furthermore
Judi Dench, St. Martin's, $26.99, 9780312659066

23. The 4-Hour Body
Timothy Ferriss, Crown , $27, 9780307463630

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

25. The 17 Day Diet
Mike Moreno, Free Press, $25, 9781451648652

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

27. Love Wins
Rob Bell, HarperOne, $22.99, 9780062049643

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

29. How to Live
Sarah Bakewell, Other Press, $25, 9781590514252

30. Life, on the Line
Grant Achatz, Nick Kokonas, Gotham, $27.50, 9781592406012

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

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

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

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

35. At Home
Bill Bryson, Doubleday, $28.95, 9780767919388

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

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

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

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

40. The Hare With Amber Eyes
Edmund de Waal, FSG, $26, 9780374105976

41. Jerusalem, Jerusalem
James Carroll, Houghton Mifflin Harcourt, $28, 9780547195612

42. Bringing Adam Home
Les Standiford, Joe Matthews, Ecco Press, $24.99, 9780061983900

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

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

45. The Amen Solution
Daniel G. Amen, Crown Archetype, $25.99, 9780307463609

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

47. Quadrivium
Miranda Lundy, et al., Walker & Company, $20, 9780802778130

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

49. Rawhide Down
Del Quentin Wilber, Holt, $27, 9780805093469

50. 56: Joe Dimaggio and the Last Magic Number in Sports
Kostya Kennedy, Sports Illustrated, $26.95, 9781603201773