Based on sales for the week ending April 17, 2011

16. The Information
James Gleick, Pantheon, $29.95, 9780375423727

17. 1861: The Civil War Awakening
Adam Goodheart, Knopf, $28.95, 9781400040155

18. My Father's Daughter
Gwyneth Paltrow, Grand Central, $30, 9780446557313

19. Origins of Political Order
Francis Fukuyama, FSG, $35, 9780374227340

20. Life
Keith Richards, Little Brown, $29.99, 9780316034388

21. Fire Season
Philip Connors, Ecco Press, $24.99, 9780061859366

22. Battle Hymn of the Tiger Mother
Amy Chua, Penguin Press, $25.95, 9781594202841

23. A Covert Affair
Jennet Conant, S&S, $28, 9781439163528

24. This Life Is in Your Hands
Melissa Coleman, Harper, $25.99, 9780061958328

25. Townie
Andre Dubus III, Norton, $25.95, 9780393064667

26. The Dressmaker of Khair Khana
Gayle Tzemach Lemmon, Harper, $24.99, 9780061732379

27. Great Soul
Joseph Lelyveld, Knopf, $28.95, 9780307269584

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

29. A Band of Misfits
Andrew Baggarly, Triumph, $19.95, 9781600785986

30. Autobiography of Mark Twain
Mark Twain, University of California Press, $34.95, 9780520267190

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

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

33. Red
Sammy Hagar, It Books, $26.99, 9780062009289

34. Change Anything
Kerry Patterson, et al., Business Plus, $26.99, 9780446573917

35. The Bond
Wayne Pacelle, Morrow, $26.99, 9780061969782

36. Our Haggadah
Cokie Roberts, Steve Roberts, Harper, $19.99, 9780062018106

37. One Hundred Names for Love
Diane Ackerman, Norton, $26.95, 9780393072419

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

39. Beautiful & Pointless
David Orr, Harper, $25.99, 9780061673450

40. A Reason to Believe
Deval Patrick, Broadway Books, $21.99, 9780767931120

41. Brothers, Rivals, Victors
Jonathan W. Jordan, New American Library, $28.95, 9780451232120

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

43. The Cloud Collector's Handbook
Gavin Pretor-Pinney, Chronicle, $14.95, 9780811875424

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

45. This Is Gonna Hurt
Nikki Sixx, Morrow, $29.99, 9780062061874

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

47. The Hidden Reality
Brian Greene, Knopf, $29.95, 9780307265630

48. Twelve Steps to a Compassionate Life
Karen Armstrong, Knopf, $22.95, 9780307595591

49. The Big Thirst
Charles Fishman, Free Press, $26.99, 9781439102077

50. Founding Gardeners
Andrea Wulf, Knopf, $30, 9780307269904