Based on sales for the week ending January 2, 2011

16. The Wave
Susan Casey, Doubleday, $27.95, 9780767928847

17. The Warmth of Other Suns
Isabel Wilkerson, Random House, $30, 9780679444329

18. As Always, Julia
Joan Reardon (Ed.), Houghton Mifflin Harcourt, $26, 9780547417714

19. Colonel Roosevelt
Edmund Morris, Random House, $35, 9780375504877

20. Decoded
Jay-Z, Spiegel & Grau, $35, 9781400068920

21. My Reading Life
Pat Conroy, Nan A. Talese, $25, 9780385533577

22. The Grand Design
Stephen Hawking, Leonard Mlodinow, Bantam, $28, 9780553805376

23. Guinness World Records 2011
Craig Glenday (Ed.), Guinness, $28.95, 9781904994589

24. Hero
Michael Korda, Harper, $36, 9780061712616

25. Twelve Steps to a Compassionate Life
Karen Armstrong, Knopf, $22.95, 9780307595591

26. Washington
Ron Chernow, Penguin Press, $40, 9781594202667

27. Born to Run
Christopher McDougall, Knopf, $24.95, 9780307266309

28. The Last Boy
Jane Leavy, Harper, $27.99, 9780060883522

29. How to Live
Sarah Bakewell, Other Press, $25, 9781590514252

30. Oogy: The Dog Only a Family Could Love
Larry Levin, Grand Central, $19.99, 9780446546317

31. Poser
Claire Dederer, FSG, $26, 9780374236441

32. The 4-Hour Body
Timothy Ferriss, Crown, $27, 9780307463630

33. The Big Short
Michael Lewis, Norton, $27.95, 9780393072235

34. The Essential New York Times Cookbook
Amanda Hesser, Norton, $40, 9780393061031

35. Finishing the Hat
Stephen Sondheim, Knopf, $39.95, 9780679439073

36. All My Friends Are Dead
Avery Monsen, Jory John, Chronicle, $9.95, 9780811874557

37. Griftopia
Matt Taibbi, Spiegel & Grau, $26, 9780385529952

38. The Mind's Eye
Oliver Sacks, Knopf, $26.95, 9780307272089

39. Natural History
Becky Alexander (Ed.), DK Publishing, $50, 9780756667528

40. All the Devils Are Here
Bethany McLean, Joe Nocera, Portfolio, $32.95, 9781591843634

41. A Secret Gift
Ted Gup, Penguin, $25.95, 9781594202704

42. The Food Matters Cookbook
Mark Bittman, S&S, $35, 9781439120231

43. Death of the Liberal Class
Chris Hedges, Nation Books, $24.95, 9781568586441

44. The Power
Rhonda Byrne, Atria, $23.95, 9781439181782

45. The Killing of Crazy Horse
Thomas Powers, Knopf, $30, 9780375414466

46. Travels in Siberia
Ian Frazier, FSG, $30, 9780374278724

47. America By Heart
Sarah Palin, Harper, $25.99, 9780062010964

48. Outliers
Malcolm Gladwell, Little Brown , $27.99, 9780316017923

49. ZooBorns
Andrew Bleiman, Chris Eastland, S&S, $9.99, 9781439195314

50. The Tiger
John Vaillant, Knopf, $26.95, 9780307268938