National Indie Bestsellers - Extended Paperback Nonfiction

Based on sales for the week ending February 22, 2015

16. Uganda Be Kidding Me
Chelsea Handler, Grand Central, $16, 9781455599714

17. Alan Turing: The Enigma
Andrew Hodges, Princeton University Press, $16.95, 9780691164724

18. Astoria
Peter Stark, Ecco, $15.99, 9780062218308

19. Wreck This Journal
Keri Smith, Perigee, $15, 9780399161940

20. The Promise of a Pencil
Adam Braun, Scribner, $16, 9781476730639

21. Citizen
Claudia Rankine, Graywolf Press, $20, 9781555976903

22. This Idea Must Die
John Brockman, Harper Perennial, $15.99, 9780062374349

23. Quiet
Susan Cain, Broadway, $16, 9780307352156

24. How Children Succeed
Paul Tough, Mariner, $15.95, 9780544104402

25. The Future of the Mind
Michio Kaku, Anchor, $16, 9780307473349

26. Tiny Beautiful Things
Cheryl Strayed, Vintage, $15.95, 9780307949332

27. The Four Agreements
Don Miguel Ruiz, Amber-Allen, $12.95, 9781878424310

28. The Smartest Kids in the World
Amanda Ripley, S&S, $15.99, 9781451654431

29. The Happiness Project
Gretchen Rubin, Harper, $14.99, 9780061583261

30. This Is the Story of a Happy Marriage
Ann Patchett, Harper Perennial, $15.99, 9780062236685

31. Glitter and Glue
Kelly Corrigan, Ballantine, $16, 9780345532855

32. Is Everyone Hanging Out Without Me? (And Other Concerns)
Mindy Kaling, Three Rivers, $14, 9780307886279

33. The New Jim Crow
Michelle Alexander, The New Press, $19.95, 9781595586438

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

35. Behind the Beautiful Forevers
Katherine Boo, Random House, $16, 9780812979329

36. The Empathy Exams
Leslie Jamison, Graywolf Press, $15, 9781555976712

37. How to Sit
Thich Nhat Hanh, Parallax Press, $9.95, 9781937006587

38. All Joy and No Fun
Jennifer Senior, Ecco, $15.99, 9780062072245

39. Pogue's Basics
David Pogue, Flatiron, $19.99, 9781250053480

40. 1,000 Foods to Eat Before You Die
Mimi Sheraton, Workman, $24.95, 9780761141686

41. Cool Gray City of Love
Gary Kamiya, Bloomsbury, $16, 9781620401262

42. Bossypants
Tina Fey, Reagan Arthur Books, $16, 9780316056878

43. Zealot
Reza Aslan, Random House, $18, 9780812981483

44. The Devil in the White City
Erik Larson, Vintage, $16, 9780375725609

45. A Brief History of Time
Stephen Hawking, Bantam, $18, 9780553380163

46. Thinking, Fast and Slow
Daniel Kahneman, FSG, $16, 9780374533557

47. Hyperbole and a Half
Allie Brosh, Touchstone, $19.99, 9781451666175

48. Empire of the Summer Moon
S.C. Gwynne, Scribner, $17, 9781416591061

49. Ghost Boy
Martin Pistorius, Thomas Nelson, $16.99, 9781400205837

50. George Washington's Secret Six
Brian Kilmeade, Don Yaeger, Sentinel, $16, 9781595231109