Based on sales for the week ending September 2, 2012

16. Let's Pretend This Never Happened
Jenny Lawson, Amy Einhorn Books/Putnam, $25.95, 9780399159015

17. Lots of Candles, Plenty of Cake
Anna Quindlen, Random House, $26, 9781400069347

18. Wheat Belly
William Davis, Rodale, $25.99, 9781609611545

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

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

21. Monkey Mind
Daniel Smith, S&S, $25, 9781439177303

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

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

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

25. Paterno
Joe Posnanski, S&S, $28, 9781451657494

26. Don't Let the Republican Drive the Bus!
Erich Origen, Gan Golan, Ten Speed Press, $14.99, 9781607743927

27. The Price of Inequality
Joseph E. Stiglitz, Norton, $27.95, 9780393088694

28. The Passage of Power
Robert A. Caro, Knopf, $35, 9780679405078

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

30. Days of Destruction, Days of Revolt
Chris Hedges, Joe Sacco (Illus.), Nation Books, $28, 9781568586434

31. Teach Your Children Well
Madeline Levine, Harper, $26.99, 9780061824746

32. Visiting Tom
Michael Perry, Harper, $24.99, 9780061894442

33. Fire in the Ashes
Jonathan Kozol, Crown, $27, 9781400052462

34. No Easy Day
Mark Owen, Dutton, $26.95, 9780525953722

35. The Betrayal of the American Dream
Donald L. Barlett, James B. Steele, PublicAffairs, $26.99, 9781586489694

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

37. Drift
Rachel Maddow, Crown, $25, 9780307460981

38. Are You My Mother?
Alison Bechdel, Houghton Mifflin Harcourt, $22, 9780618982509

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

40. Yes, Chef
Marcus Samuelsson, Random House, $27, 9780385342605

41. Obama's America
Dinesh D'Souza, Regnery, $27.95, 9781596987784

42. Sh*tty Mom
Laurie Kilmartin, et al., Abrams Image, $18.95, 9781419704598

43. When Women Were Birds
Terry Tempest Williams, FSG, $23, 9780374288976

44. Strengths Finder 2.0
Tom Rath, Gallup, $24.95, 9781595620156

45. The New New Deal
Michael Grunwald, S&S, $28, 9781451642322

46. The Art of Procrastination
John Perry, Workman, $12.95, 9780761171676

47. Boo
J.H. Lee, Chronicle, $12.95, 9781452109718

48. The Party Is Over
Mike Lofgren, Viking, $25.95, 9780670026265

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

50. The Tools
Phil Stutz, Barry Michels, Spiegel & Grau, $25, 9780679644446