Based on sales for the week ending May 13, 2012

16. Mrs. Kennedy and Me
Clint Hill, Gallery, $26, 9781451648447

17. Go the F**k to Sleep
Adam Mansbach, Ricardo Cortes (Illus.), Akashic, $14.95, 9781617750250

18. The Power of Habit
Charles Duhigg, Random House, $28, 9781400069286

19. My Cross to Bear
Gregg Allman, Morrow, $27.99, 9780062112033

20. Some Assembly Required
Anne Lamott, Riverhead, $26.95, 9781594488412

21. Goodnight iPad
Ann Droyd, Blue Rider, $14.95, 9780399158568

22. Steve Jobs
Walter Isaacson, S&S, $35, 9781451648539

23. The Presidents Club
Nancy Gibbs, Michael Duffy, S&S, $32.50, 9781439127704

24. Darth Vader and Son
Jeffrey Brown, Chronicle, $14.95, 9781452106557

25. Manhunt
Peter L. Bergen, Crown, $26, 9780307955579

26. Bringing Up Bébé
Pamela Druckerman, Penguin Press, $25.95, 9781594203336

27. Mother's Love
Melina Gerosa Bellows, National Geographic, $9.95, 9781426209222

28. Killing Lincoln
Bill O'Reilly, Martin Dugard, Holt, $28, 9780805093070

29. 10 Things No Commencement Speaker Has Ever Said
Charles Wheelan, Peter Steiner (Illus.), Norton, $15.95, 9780393074314

30. Behind the Beautiful Forevers
Katherine Boo, Random House, $27, 9781400067558

31. The Social Conquest of Earth
Edward Osborne Wilson, Liveright, $27.95, 9780871404138

32. Thinking, Fast and Slow
Daniel Kahneman, FSG, $30, 9780374275631

33. Plenty
Yotam Ottolenghi, Chronicle, $35, 9781452101248

34. Don'ts for Mothers
Anonymous, A&C Black, $4.95, 9781408152232

35. Midnight in Peking
Paul French, Penguin, $26, 9780143121008

36. My Two Moms
Zach Wahls, Gotham, $26, 9781592407132

37. What Teachers Make
Taylor Mali, Putnam Adult, $19.95, 9780399158544

38. Why Be Happy When You Could Be Normal?
Jeanette Winterson, Grove Press, $25, 9780802120106

39. The Pioneer Woman Cooks
Ree Drummond, Morrow, $29.99, 9780061997181

40. Jesus Calling
Sarah Young, Integrity, $15.99, 9781591451884

41. What Money Can't Buy
Michael J. Sandel, FSG, $27, 9780374203030

42. The Swerve
Stephen J. Greenblatt, Norton, $26.95, 9780393064476

43. Private Empire
Steve Coll, Penguin Press, $36, 9781594203350

44. We Can All Do Better
Bill Bradley, Vanguard Press, $24.99, 9781593157296

45. Bombshell
Suzanne Somers, Crown Archetype, $26, 9780307588548

46. Subliminal
Leonard Mlodinow, Pantheon, $25.95, 9780307378217

47. Over Time
Frank Deford, Atlantic Monthly, $25, 9780802120151

48. It's Even Worse Than It Looks
Norman Ornstein, Thomas Mann, Basic Books, $26, 9780465031337

49. The First 20 Minutes
Gretchen Reynolds, Hudson Street, $25.95, 9781594630934

50. Paris in Love
Eloisa James, Random House, $26, 9781400069569