Based on sales for the week ending April 24, 2011

16. Super Natural Every Day
Heidi Swanson, Ten Speed Press, $23, 9781580082778

17. Have a Little Faith
Mitch Albom, Hyperion, $13.99, 9781401310462

18. Drive
Daniel H. Pink, Riverhead, $16, 9781594484803

19. Packing for Mars
Mary Roach, Norton, $15.95, 9780393339918

20. The Lost Cyclist
David Herlihy, Mariner, $14.95, 9780547521985

21. Committed
Elizabeth Gilbert, Penguin, $16, 9780143118701

22. This Is Not the Story You Think It Is
Laura Munson, Berkley, $15, 9780425238998

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

24. The Dirty Life
Kristin Kimball, Scribner, $15, 9781416551614

25. Parisians
Graham Robb, Norton, $17.95, 9780393339734

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

27. Infinite City: A San Francisco Atlas
Rebecca Solnit, Sandow Birk (Illus.), University of California Press, $24.95, 9780520262508

28. Soul Surfer
Bethany Hamilton, MTV Books, $14, 9781439165799

29. Orange Is the New Black
Piper Kerman, Spiegel & Grau, $15, 9780385523394

30. Eaarth
Bill McKibben, St. Martin's, $14.99, 9780312541194

31. NurtureShock
Po Bronson, Ashley Merryman, Twelve, $14.99, 9780446504133

32. Paris, Paris
David Downie, Broadway, $15, 9780307886088

33. Making Rounds with Oscar
David Dosa, Hyperion, $13.99, 9781401310431

34. Three Cups of Tea
Greg Mortenson, David Oliver Relin, Penguin, $16, 9780143038252

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

36. Where Men Win Glory
Jon Krakauer, Anchor, $15.95, 9780307386045

37. Half the Sky
Nicholas D. Kristof, Sheryl WuDunn, Vintage, $15.95, 9780307387097

38. The Baseball Codes
Jason Turbow, Michael Duca, Anchor, $15, 9780307278623

39. Eating Animals
Jonathan Safran Foer, Back Bay, $14.99, 9780316069885

40. Taking the Leap
Pema Chodron, Shambhala, $14, 9781590308431

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

42. Aftershock
Robert B. Reich, Vintage, $14.95, 9780307476333

43. Every Day in Tuscany
Frances Mayes, Broadway, $15, 9780767929837

44. Crow Planet
Lyanda Lynn Haupt, Back Bay, $14.99, 9780316019118

45. Finding the Uncommon Deal
Adam Leitman Bailey, Wiley, $19.95, 9780470943663

46. The Power of Now
Eckhart Tolle, New World, $14, 9781577314806

47. Hellhound on His Trail
Hampton Sides, Anchor, $15.95, 9780307387431

48. Women Food and God
Geneen Roth, Scribner, $15, 9781416543084

49. Homer's Odyssey
Gwen Cooper, Bantam, $15, 9780385343985

50. I'll Mature When I'm Dead
Dave Barry, Berkley, $15, 9780425238981