Based on sales for the week ending May 1, 2011

16. A Lesson in Secrets
Jacqueline Winspear, Harper, $25.99, 9780061727672

17. Drawing Conclusions
Donna Leon, Atlantic Monthly, $24, 9780802119797

18. Freedom
Jonathan Franzen, FSG, $28, 9780374158460

19. Started Early, Took My Dog
Kate Atkinson, Reagan Arthur Books, $24.99, 9780316066730

20. The Love of My Youth
Mary Gordon, Pantheon, $25.95, 9780307377425

21. Leonard Cohen: Poems and Songs
Leonard Cohen, Everyman's Library, $13.50, 9780307595836

22. I'll Walk Alone
Mary Higgins Clark, S&S, $25.99, 9781439180969

23. Swamplandia!
Karen Russell, Knopf, $24.95, 9780307263995

24. Squirrel Seeks Chipmunk
David Sedaris, Ian Falconer (Illus.), Little Brown, $21.99, 9780316038393

25. Say Her Name
Francisco Goldman, Grove Press, $24, 9780802119810

26. One Was a Soldier
Julia Spencer-Fleming, Minotaur, $24.99, 9780312334895

27. A Discovery of Witches
Deborah Harkness, Viking, $28.95, 9780670022410

28. Bel-Air Dead
Stuart Woods, Putnam, $25.95, 9780399157363

29. Please Look After Mom
Kyung-Sook Shin, Knopf, $24.95, 9780307593917

30. 22 Britannia Road
Amanda Hodgkinson, Pamela Dorman Books, $25.95, 9780670022632

31. Save Me
Lisa Scottoline, St. Martin's, $27.99, 9780312380786

32. Good Poems, American Places
Garrison Keillor (Ed.), Viking, $28.95, 9780670022540

33. Minding Frankie
Maeve Binchy, Knopf, $26.95, 9780307273567

34. Live Wire
Harlan Coben, Dutton, $27.95, 9780525952060

35. Swim Back to Me
Ann Packer, Knopf, $24.95, 9781400044047

36. When the Killing's Done
T.C. Boyle, Viking , $26.95, 9780670022328

37. Elizabeth I
Margaret George, Viking, $30, 9780670022533

38. The Story of Beautiful Girl
Rachel Simon, Grand Central, $24.99, 9780446574464

39. Crunch Time
Diane Mott Davidson, Morrow, $26.99, 9780061348150

40. Emily, Alone
Stewart O'Nan, Viking, $25.95, 9780670022359

41. I'll Never Get Out of This World Alive
Steve Earle, Houghton Mifflin Harcourt, $26, 9780618820962

42. The Weird Sisters
Eleanor Brown, Amy Einhorn Books/Putnam, $24.95, 9780399157226

43. Once Upon a Time, There Was You
Elizabeth Berg, Random House, $26, 9781400068654

44. West of Here
Jonathan Evison, Algonquin, $24.95, 9781565129528

45. Field Gray
Philip Kerr, Putnam, $26.95, 9780399157417

46. Tabloid City
Pete Hamill, Little Brown, $26.99, 9780316020756

47. Fall of Giants
Ken Follett, Dutton, $36, 9780525951650

48. The Uncoupling
Meg Wolitzer, Riverhead, $25.95, 9781594487880

49. 44 Charles Street
Danielle Steel, Delacorte, $28, 9780385343145

50. A Turn in the Road
Debbie Macomber, Mira, $24.95, 9780778329831