Based on sales for the week ending March 27, 2011

16. Solar
Ian McEwan, Anchor, $15, 9780307739537

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

18. Every Last One
Anna Quindlen, Random House, $15, 9780812976885

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

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

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

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

23. Let the Great World Spin
Colum McCann, Random House, $15, 9780812973990

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

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

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

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

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

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

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

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

32. Heart of the Matter
Emily Giffin, St. Martin's, $14.99, 9780312554170

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

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

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

36. The Lotus Eaters
Tatjana Soli, St. Martin's, $14.99, 9780312674441

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

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

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

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

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

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

43. The Shack
William Paul Young, Windblown, $14.99, 9780964729230

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

45. The Island
Elin Hilderbrand, Reagan Arthur Books, $14.99, 9780316043885

46. A Gate at the Stairs
Lorrie Moore, Vintage, $15, 9780375708466

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

48. The Year of the Hare
Arto Paasilinna, Penguin, $14, 9780143117926

49. Wingshooters
Nina Revoyr, Akashic, $15.95, 9781936070718

50. Still Alice
Lisa Genova, Pocket, $15, 9781439102817