Based on sales for the week ending August 12, 2012

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

17. Why Does the World Exist?
Jim Holt, Liveright, $27.95, 9780871404091

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

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

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

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

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

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

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

25. Dream Team
Jack McCallum, Ballantine, $28, 9780345520487

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

27. The Untethered Soul
Michael A. Singer, New Harbinger, $16.95, 9781572245372

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

29. Some Remarks: Essays and Other Writing
Neal Stephenson, Morrow, $25.99, 9780062024435

30. Imagine
Jonah Lehrer, Houghton Mifflin Harcourt, $26, 9780547386072

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

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

33. Red Ink
David Wessel, Crown Business, $22, 9780770436148

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

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

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

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

38. The Violinist's Thumb
Sam Kean, Little Brown, $25.99, 9780316182317

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

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

41. Hello Goodbye Hello
Craig Brown, S&S, $26.95, 9781451683608

42. The Rise of Rome
Anthony Everitt, Random House, $30, 9781400066636

43. I Hate Everyone... Starting with Me
Joan Rivers, Berkley, $25.95, 9780425248300

44. American Grown
Michelle Obama, Crown, $30, 9780307956026

45. Cronkite
Douglas Brinkley, Harper, $34.99, 9780061374265

46. Marilyn
Lois Banner, Bloomsbury, $30, 9781608195312

47. This Is How
Augusten Burroughs, St. Martin's, $24.99, 9780312563554

48. Heart, Smarts, Guts, and Luck
Anthony K. Tjan, et al., Harvard Business, $25, 9781422161944

49. The Long Road to Antietam
Richard Slotkin, Liveright, $32.95, 9780871404114

50. Bailout
Neil Barofsky, Free Press, $26, 9781451684933