Based on sales for the week ending April 10, 2011

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

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

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

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

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

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

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

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

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

25. Night
Elie Wiesel, FSG, $9.95, 9780374500016

26. Ill Fares the Land
Tony Judt, Penguin, $15, 9780143118763

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

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

29. Stones Into Schools
Greg Mortenson, Penguin, $16, 9780143118237

30. Paris, Paris
David Downie, Broadway Books, $15, 9780307886088

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

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

33. Hungry Girl 300 Under 300
Lisa Lillien, St. Martin's, $22.99, 9780312676810

34. The Lost Cyclist
David Herlihy, Mariner Books, $14.95, 9780547521985

35. Now Eat This! Diet
Rocco DiSpirito, Grand Central, $22.99, 9780446584494

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

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

38. Rand McNally 2011 Road Atlas
, Rand McNally, $13.95, 9780528355288

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

40. The Omnivore's Dilemma
Michael Pollan, Penguin , $16, 9780143038580

41. Eat, Pray, Love
Elizabeth Gilbert, Penguin, $16, 9780143118428

42. Dead End Gene Pool
Wendy Burden, Gotham, $16, 9781592406067

43. The Big Burn
Timothy Egan, Mariner, $15.95, 9780547394602

44. The Book of Awakening
Mark Nepo, Conari, $18.95, 9781573241175

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

46. Mennonite in a Little Black Dress
Rhoda Janzen, Holt, $14, 9780805092257

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

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

49. Clean
Alejandro Junger, HarperOne, $14.99, 9780061735332

50. The Other Wes Moore
Wes Moore, Spiegel & Grau, $15, 9780385528207