Based on sales for the week ending February 6, 2011

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

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

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

19. The Poisoner's Handbook
Deborah Blum, Penguin, $16, 9780143118824

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

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

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

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

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

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

26. Lunch in Paris
Elizabeth Bard, Back Bay, $13.99, 9780316042789

27. The World Almanac and Book of Facts 2011
World Almanac, $12.99, 9781600571343

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

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

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

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

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

33. The Male Brain
Louann Brizendine, Three Rivers, $14.99, 9780767927543

34. The Belly Fat Cure
Jorge Cruise, Hay House, $19.95, 9781401927189

35. The Old Farmer's Almanac 2011
Old Farmer's Almanac, $6.95, 9781571985163

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

37. The Financial Crisis Inquiry Report
Financial Crisis Inquiry Commission, PublicAffairs, $14.99, 9781610390415

38. Bicycle Diaries
David Byrne, Penguin, $16, 9780143117964

39. Blink
Malcolm Gladwell, Back Bay, $15.99, 9780316010665

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

41. Dewey
Vicki Myron, Grand Central, $13.99, 9780446407427

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

43. Shop Class as Soulcraft
Matthew B. Crawford, Penguin, $15, 9780143117469

44. My Life in France
Julia Child, Anchor, $16, 9780307277695

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

46. When Things Fall Apart
Pema Chodron, Shambhala, $14, 9781570623448

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

48. Giant Surprise: San Francisco's 2010 World Champions
Triumph Books, $14.95, 9781600785689

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

50. J.K. Lasser's Your Income Tax
Wiley, $19.95, 9780470597224