Based on sales for the week ending March 12, 2011

16. True Grit
Charles Portis, Overlook, $14.95, 9781590204597

17. The Man from Beijing
Henning Mankell, Vintage, $15, 9780307472847

18. The Double Comfort Safari Club
Alexander McCall Smith, Anchor Books, $14, 9780307277480

19. The Lacuna
Barbara Kingsolver, Harper Perennial, $16.99, 9780060852580

20. Solar
Ian McEwan, Anchor Books, $15, 9780307739537

21. The Girl With the Dragon Tattoo
Stieg Larsson, Vintage, $14.95, 9780307454546

22. The Invisible Bridge
Julie Orringer, Vintage, $15.95, 9781400034376

23. The Girl Who Played With Fire
Stieg Larsson, Vintage, $15.95, 9780307454553

24. Sarah's Key
Tatiana De Rosnay, St. Martin's, $13.95, 9780312370848

25. Angelology
Danielle Trussoni, Penguin, $16, 9780143118466

26. Lord of Misrule
Jaimy Gordon, Vintage, $15, 9780307946737

27. The Sweetness at the Bottom of the Pie
Alan Bradley, Bantam, $15, 9780385343497

28. The Forgotten Garden
Kate Morton, Washington Square Press, $15, 9781416550556

29. The Elegance of the Hedgehog
Muriel Barbery, Europa Editions, $15, 9781933372600

30. The Finkler Question
Howard Jacobson, Bloomsbury, $15, 9781608196111

31. The Weed That Strings the Hangman's Bag
Alan Bradley, Bantam, $15, 9780385343459

32. The Windup Girl
Paolo Bacigalupi, Night Shade, $14.95, 9781597801584

33. Parrot and Olivier in America
Peter Carey, Vintage, $15.95, 9780307476012

34. Shadow Tag
Louise Erdrich, Harper, $14.99, 9780061536106

35. A Reliable Wife
Robert Goolrick, Algonquin, $14.95, 9781565129771

36. Remarkable Creatures
Tracy Chevalier, Plume, $15, 9780452296725

37. House Rules
Jodi Picoult, Washington Square Press, $16, 9780743296441

38. Never Let Me Go
Kazuo Ishiguro, Vintage, $15, 9780307740991

39. The Surrendered
Chang-Rae Lee, Riverhead, $16, 9781594485015

40. The Mapping of Love and Death
Jacqueline Winspear, Harper Perennial, $14.99, 9780061727689

41. The Great Gatsby
F. Scott Fitzgerald, Scribner, $14, 9780743273565

42. Beatrice and Virgil
Yann Martel, Spiegel & Grau, $14, 9780812981544

43. The Alchemist
Paulo Coelho, HarperOne, $14.99, 9780061122415

44. One Day
David Nicholls, Vintage, $14.95, 9780307474711

45. The Corrections
Jonathan Franzen, Picador, $16, 9780312421274

46. The Shadow of the Wind
Carlos Ruiz Zafón, Penguin, $16, 9780143034902

47. Shades of Grey
Jasper Fforde, Penguin, $15, 9780143118589

48. Olive Kitteridge
Elizabeth Strout, Random House, $14, 9780812971835

49. The Guernsey Literary and Potato Peel Pie Society
Mary Ann Shaffer, Annie Barrows, Dial, $15, 9780385341004

50. City of Thieves
David Benioff, Plume, $15, 9780452295292