Based on sales for the week ending August 4, 2013

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

17. The Drunken Botanist
Amy Stewart, Algonquin, $19.95, 9781616200466

18. Help, Thanks, Wow
Anne Lamott, Riverhead, $17.95, 9781594631290

19. I Wear the Black Hat
Chuck Klosterman, Scribner, $25, 9781439184493

20. The Unwinding
George Packer, FSG, $27, 9780374102418

21. The Guns at Last Light
Rick Atkinson, Holt, $40, 9780805062908

22. My Beloved World
Sonia Sotomayor, Knopf, $27.95, 9780307594884

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

24. Revolutionary Summer
Joseph J. Ellis, Knopf, $26.95, 9780307701220

25. Eating on the Wild Side
Jo Robinson, Little Brown, $27, 9780316227940

26. Dad Is Fat
Jim Gaffigan, Crown Archetype, $25, 9780385349055

27. The Leadership Contract
Vince Molinaro, Wiley, $24.95, 9781118635575

28. Bunker Hill
Nathaniel Philbrick, Viking, $32.95, 9780670025442

29. Daring Greatly
Brene Brown, Gotham, $26, 9781592407330

30. Shirley Jones
Shirley Jones, Gallery, $27, 9781476725956

31. Ava Gardner: The Secret Conversations
Peter Evans, Ava Gardner, S&S, $26, 9781451627695

32. Those Angry Days
Lynne Olson, Random House, $30, 9781400069743

33. The Longest Road
Philip Caputo, Holt, $28, 9780805094466

34. Henri, Le Chat Noir
William Braden, Ten Speed Press, $12.99, 9781607745105

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

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

37. Mo' Meta Blues
Ahmir Thompson, Ben Greenman, Grand Central, $26, 9781455501359

38. My Lunches With Orson
Peter Biskind, Metropolitan, $28, 9780805097252

39. Pilgrim's Wilderness
Tom Kizzia, Crown, $25, 9780307587824

40. Detroit
Charlie LeDuff, Penguin, $27.95, 9781594205347

41. The Faraway Nearby
Rebecca Solnit, Viking, $25.95, 9780670025961

42. Thinking in Numbers
Daniel Tammet, Little Brown, $26, 9780316187374

43. The Astronaut Wives Club
Lily Koppel, Grand Central, $28, 9781455503254

44. Eleven Rings
Phil Jackson, Hugh Delehanty, Penguin, $27.95, 9781594205118

45. Real Talk for Real Teachers
Rafe Esquith, Viking, $26.95, 9780670014644

46. Gulp
Mary Roach, Norton, $26.95, 9780393081572

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

48. The Autistic Brain
Temple Grandin, Richard Panek, Houghton Mifflin Harcourt, $28, 9780547636450

49. Saving Italy
Robert M. Edsel, Norton, $28.95, 9780393082418

50. Tequila Mockingbird
Tim Federle, Running Press, $15, 9780762448654