Based on sales for the week ending January 15, 2012

16. Battle Hymn of the Tiger Mother
Amy Chua, Penguin, $16, 9780143120582

17. The Old Farmer's Almanac 2012
Old Farmer's Almanac, $6.95, 9781571985446

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

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

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

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

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

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

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

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

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

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

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

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

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

31. Life
Keith Richards, Back Bay, $16.99, 9780316034418

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

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

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

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

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

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

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

39. The Power of Now
Eckhart Tolle, New World, $15, 9781577314806

40. Death of the Liberal Class
Chris Hedges, Nation Books, $15.99, 9781568586793

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

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

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

44. Apollo's Angels
Jennifer Homans, Random House, $20, 9780812968743

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

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

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

48. 1491
Charles C. Mann, Vintage, $16.95, 9781400032051

49. Awkward Family Pet Photos
Mike Bender, Doug Chernack, Three Rivers, $15, 9780307888129

50. Atlantic
Simon Winchester, Harper Perennial, $15.99, 9780061702624