Based on sales for the week ending January 23, 2011

16. The Longest War
Peter L. Bergen, Free Press, $28, 9780743278935

17. Sexy Forever
Suzanne Somers, Crown Archetype, $25.99, 9780307588517

18. The Emperor of All Maladies
Siddhartha Mukherjee, Scribner, $30, 9781439107959

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

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

21. Sh*t My Dad Says
Justin Halpern, It Books, $15.99, 9780061992704

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

23. Crazy Sexy Diet
Kris Carr, Skirt!, $24.95, 9781599218014

24. My Father at 100
Ron Reagan, Viking, $25.95, 9780670022595

25. The Memory Palace
Mira Bartok, Free Press, $25, 9781439183311

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

27. Guinness World Records 2011
Guinness, $28.95, 9781904994589

28. American Rose
Karen Abbott, Random House, $26, 9781400066919

29. Apollo's Angels
Jennifer Homans, Random House, $35, 9781400060603

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

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

32. Atlantic
Simon Winchester, Harper, $27.99, 9780061702587

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

34. Why We Get Fat
Gary Taubes, Knopf, $24.95, 9780307272706

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

36. All Things Shining
Hubert Dreyfus, Sean Dorrance Kelly, Free Press, $26, 9781416596158

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

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

39. Zombie Spaceship Wasteland
Patton Oswalt, Scribner, $24, 9781439149089

40. The 7
Glenn Beck, Keith Russell Ablow, Threshold, $24.99, 9781451625516

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

42. I Shall Not Hate
Izzeldin Abuelaish, Walker & Company, $24, 9780802779175

43. Bike Snob
BikesnobNYC, Christopher Koelle (Illus.), Chronicle, $16.95, 9780811869980

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

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

46. The Happiness Project
Gretchen Craft Rubin, Harper, $25.99, 9780061583254

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

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

49. Simple Times
Amy Sedaris, Grand Central, $27.99, 9780446557030

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