Based on sales for the week ending March 27, 2011

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

31. Food Rules
Michael Pollan, Penguin, $11, 9780143116387

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

33. Everyone Loves You When You're Dead
Neil Strauss, It Books, $16.99, 9780061543678

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

35. Country Driving
Peter Hessler, Harper Perennial, $15.99, 9780061804106

36. Making Toast
Roger Rosenblatt, Ecco Press, $12.99, 9780061825958

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

38. Silk Parachute
John McPhee, FSG, $15, 9780374532628

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

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

41. Real Happiness
Sharon Salzberg, Workman, $14.95, 9780761159254

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

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

44. The Man Who Loved Books Too Much
Allison Hoover Bartlett, Riverhead, $15, 9781594484810

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

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

47. The CalorieKing Calorie, Fat & Carbohydrate Counter 2011
Allan Borushek, Family Health, $8.99, 9781930448339

48. The Checklist Manifesto
Atul Gawande, Picador, $15, 9780312430009

49. The Speech
Bernie Sanders, Nation Books, $13, 9781568586847

50. Awkward Family Photos
Mike Bender, Doug Chernack, Three Rivers, $15, 9780307592293