Based on sales for the week ending December 2, 2012

16. The Immortal Life of Henrietta Lacks
Rebecca Skloot, Broadway, $16, 9781400052189

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

18. Jack Kennedy
Chris Matthews, S&S, $16.99, 9781451635096

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

20. Tiny Beautiful Things
Cheryl Strayed, Vintage, $14.95, 9780307949332

21. Holidays on Ice
David Sedaris, Back Bay, $10, 9780316078917

22. The World Almanac and Book of Facts 2013
World Almanac, $12.99, 9781600571626

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

24. To Heaven and Back
Mary C. Neal, Waterbrook, $14.99, 9780307731715

25. Lucky Peach, Issue 5
Peter Meehan (Ed.), McSweeney's, $12, 9781938073076

26. The Hare With Amber Eyes
Edmund de Waal, Picador, $16, 9780312569372

27. The Greater Journey
David McCullough, S&S, $20, 9781416571773

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

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

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

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

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

33. Portlandia
Fred Armisen, et al., Grand Central, $16.99, 9781455520589

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

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

36. Boomerang
Michael Lewis, Norton, $16.95, 9780393343441

37. The Happiness Project
Gretchen Rubin, Harper, $14.99, 9780061583261

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

39. 1493
Charles C. Mann, Vintage, $16.95, 9780307278241

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

41. The Best American Science and Nature Writing 2012
Dan Ariely, Tim Folger (Eds.), Mariner, $14.95, 9780547799537

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

43. The Chew
Mario Batali, et al., Hyperion, $19.99, 9781401311063

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

45. The Best American Essays 2012
David Brooks, Robert Atwan (Eds.), Mariner, $14.95, 9780547840093

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

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

48. Nothing Daunted
Dorothy Wickenden, Scribner, $15, 9781439176597

49. The King Arthur Flour Baker's Companion
Countryman Press, $24.95, 9781581571783

50. The Best American Sports Writing 2012
Michael Wilbon, Glenn Stout (Eds.), Mariner, $14.95, 9780547336978