Based on sales for the week ending January 20, 2013

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

17. Dancers Among Us
Jordan Matter, Workman, $17.95, 9780761171706

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

19. Heaven Is for Real
Todd Burpo, Thomas Nelson, $16.99, 9780849946158

20. The Devil in the White City
Erik Larson, Vintage, $16, 9780375725609

21. Catherine the Great
Robert K. Massie, Random House, $20, 9780345408778

22. Steal Like an Artist
Austin Kleon, Workman, $10.95, 9780761169253

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

24. The Old Farmer's Almanac 2013
Old Farmer's Almanac, $6.95, 9781571985736

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

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

27. Meatless
Martha Stewart Living Magazine, Clarkson Potter, $25, 9780307954565

28. Turn Right at Machu Picchu
Mark Adams, Plume, $16, 9780452297982

29. F for Effort!
Richard Benson, Chronicle, $9.95, 9781452113227

30. How to Be a Woman
Caitlin Moran, Harper Perennial, $15.99, 9780062124296

31. Below Stairs
Margaret Powell, St. Martin's Griffin, $14.99, 9781250023216

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

33. The Untethered Soul
Michael A. Singer, New Harbinger, $16.95, 9781572245372

34. Guitar Zero
Gary Marcus, Penguin, $16, 9780143122784

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

36. The New Jim Crow
Michelle Alexander, The New Press, $19.95, 9781595586438

37. Power Systems
Noam Chomsky, Metropolitan, $16, 9780805096156

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

39. Just Kids
Patti Smith, Ecco, $16, 9780060936228

40. Arguably
Christopher Hitchens, Twelve, $18, 9781455502783

41. Citizens of London
Lynne Olson, Random House, $17, 9780812979350

42. An Invisible Thread
Laura Schroff, Alex Tresniowski, Howard Books, $14.99, 9781451648973

43. Forks Over Knives the Cookbook
Del Sroufe, Experiment, $18.95, 9781615190614

44. The Emotional Life of Your Brain
Richard J. Davidson, Plume, $16, 9780452298880

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

46. Destiny of the Republic
Candice Millard, Anchor, $16, 9780767929714

47. How to Think More about Sex
Alain de Botton, Picador, $16, 9781250030658

48. Call the Midwife
Jennifer Worth, Penguin, $16, 9780143123255

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

50. Cocktail Hour Under the Tree of Forgetfulness
Alexandra Fuller, Penguin, $15, 9780143121343