Based on sales for the week ending May 1, 2011

16. Island Beneath the Sea
Isabel Allende, Harper Perennial, $14.99, 9780061988257

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

18. Half Broke Horses
Jeannette Walls, Scribner, $15, 9781416586296

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

20. The Girl Who Fell From the Sky
Heidi W. Durrow, Algonquin, $13.95, 9781616200152

21. Ape House
Sara Gruen, Spiegel & Grau, $15, 9780385523226

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

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

24. My Name Is Mary Sutter
Robin Oliveira, Penguin, $15, 9780143119135

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

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

27. The Solitude of Prime Numbers
Paolo Giordano, Penguin, $15, 9780143118596

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

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

30. Fly Away Home
Jennifer Weiner, Washington Square Press, $15, 9780743294287

31. The Three Weissmanns of Westport
Cathleen Schine, Picador, $14, 9780312680527

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

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

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

35. A Question of Belief
Donna Leon, Penguin, $15, 9780143118954

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

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

38. Abraham Lincoln: Vampire Hunter
Seth Grahame-Smith, Grand Central, $13.99, 9780446563079

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

40. The Godfather of Kathmandu
John Burdett, Vintage, $14.95, 9781400097074

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

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

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

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

45. Mr. Peanut
Adam Ross, Vintage, $15, 9780307454904

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

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

48. Secret Daughter
Shilpi Somaya Gowda, Morrow, $13.99, 9780061928352

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

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