Based on sales for the week ending March 10, 2012

16. F in Exams
Richard Benson, Chronicle , $9.95, 9780811878319

17. Outliers
Malcolm Gladwell, Back Bay, $16.99, 9780316017930

18. 1861
Adam Goodheart, Vintage, $16, 9781400032198

19. Born to Run
Christopher McDougall, Vintage, $15.95, 9780307279187

20. The Grand Design
Stephen Hawking, Leonard Mlodinow, Bantam, $18, 9780553384666

21. Lucky Peach Issue 3
David Chang (Ed.), McSweeney's, $12, 9781936365487

22. Physics of the Future
Michio Kaku, Anchor, $15.95, 9780307473332

23. The Warmth of Other Suns
Isabel Wilkerson, Vintage, $16.95, 9780679763888

24. The Devil in the White City
Erik Larson, Vintage, $15.95, 9780375725609

25. Eat to Live
Joel Fuhrman, Little Brown, $15.99, 9780316120913

26. Moby-Duck
Donovan Hohn, Penguin, $16, 9780143120506

27. Winner-Take-All Politics
Jacob S. Hacker, Paul Pierson, S&S, $15, 9781416588702

28. At Home
Bill Bryson, Anchor, $15.95, 9780767919395

29. Unfamiliar Fishes
Sarah Vowell, Riverhead, $16, 9781594485640

30. Wreck This Journal
Keri Smith, Perigee, $13.95, 9780399533464

31. The Information
James Gleick, Vintage Books, $15.95, 9781400096237

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

33. The 5 Love Languages
Gary Chapman, Northfield, $14.99, 9780802473158

34. Tiny Homes
Lloyd Kahn, Shelter, $24.95, 9780936070520

35. The Vow
Kim Carpenter, Krickitt Carpenter, B&H Publishing Group, $14.99, 9781433675799

36. The Emperor of All Maladies
Siddhartha Mukherjee, Scribner, $18, 9781439170915

37. Townie
Andre Dubus, III, Norton, $15.95, 9780393340679

38. What to Expect When You're Expecting
Heidi Murkoff, Sharon Mazel, Workman, $14.95, 9780761148579

39. Battle Hymn of the Tiger Mother
Amy Chua, Penguin, $16, 9780143120582

40. Periodic Tales
Hugh Aldersey-Williams, Ecco Press, $14.99, 9780061824739

41. Kayak Morning
Roger Rosenblatt, Ecco, $13.99, 9780062084033

42. To End All War
Adam Hochschild, Mariner Books, $15.95, 9780547750316

43. The Glass Castle
Jeannette Walls, Scribner, $16, 9780743247542

44. The Hunger Pains
The Harvard Lampoon, Touchstone, $13.99, 9781451668209

45. The Official SAT Study Guide
College Board, $21.99, 9780874478525

46. The Man Who Quit Money
Mark Sundeen, Riverhead, $15, 9781594485695

47. The World Almanac and Book of Facts 2012
Sarah Janssen (Ed.), World Almanac, $14.99, 9781600571480

48. Steal Like an Artist
Austin Kleon (Illus.), Workman, $10.95, 9780761169253

49. 1491
Charles C. Mann, Vintage, $16.95, 9781400032051

50. The Power of Now
Eckhart Tolle, New World, $15, 9781577314806