Based on sales for the week ending January 22, 2012

16. The World Almanac and Book of Facts 2012
Sarah Janssen (Ed.), World Almanac, $12.99, 9781600571480

17. Lady Almina and the Real Downton Abbey
The Countess of Carnarvon, et al., Broadway, 15.99, 9780770435622

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

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

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

21. The Emperor of All Maladies
Siddhartha Mukherjee, Scribner, $18, 9781439170915

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

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

24. Kayak Morning
Roger Rosenblatt, Ecco, $13.99, 9780062084033

25. Poser
Claire Dederer, Picador, $15, 9781250002334

26. God Is Not Great
Christopher Hitchens, Twelve, $14.99, 9780446697965

27. Hitch-22
Christopher Hitchens, Twelve, $14.99, 9780446540346

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

29. Tiny Homes: Simple Shelter
Lloyd Kahn, Shelter, $24.95, 9780936070520

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

31. Stories I Only Tell My Friends
Rob Lowe, St. Martin's, $14.99, 9781250008855

32. Pulphead
John Jeremiah Sullivan, FSG, $16, 9780374532901

33. The Call of Sedona
Ilchi Lee, Best Life Media, $16.95, 9781935127482

34. Sex at Dawn
Christopher Ryan, Cacilda Jetha, Harper Perennial, $15.99, 9780061707810

35. I Remember Nothing
Nora Ephron, Vintage, $14, 9780307742803

36. Twelve Steps to a Compassionate Life
Karen Armstrong, Anchor, $14, 9780307742889

37. Zeitoun
Dave Eggers, Vintage, $15.95, 9780307387943

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

39. Little Princes
Conor Grennan, Morrow, $14.99, 9780061930065

40. Inside of a Dog
Alexandra Horowitz, Scribner, $16, 9781416583431

41. Rose: My Life in Service to Lady Astor
Rosina Harrison, Penguin, $15, 9780143120865

42. Lucky Peach: Issue 2
David Chang (Ed.), McSweeney's, $12, 9781936365470

43. Winner-Take-All Politics
Jacob S. Hacker, Paul Pierson, S&S, $15, 9781416588702

44. The Big Short
Michael Lewis, Norton, $15.95, 9780393338829

45. Let's Take the Long Way Home
Gail Caldwell, Random House, $14, 9780812979114

46. Moneyball
Michael Lewis, Norton, $15.95, 9780393338393

47. Malcolm X: A Life of Reinvention
Manning Marable, Penguin, $18, 9780143120322

48. MWF Seeking BFF
Rachel Bertsche, Ballantine, $15, 9780345524942

49. 1,000 Places to See Before You Die, the Second Edition
Patricia Schultz, Workman, $19.95, 9780761156864

50. The River of Doubt
Candice Millard, Broadway, $15, 9780767913737