Based on sales for the week ending March 25, 2012

16. Arcadia
Lauren Groff, Voice, $25.99, 9781401340872

17. Kill Shot
Vince Flynn, Atria, $27.99, 9781416595205

18. Force of Nature
C.J. Box, Putnam, $25.95, 9780399158261

19. The Snow Child
Eowyn Ivey, Reagan Arthur, $24.99, 9780316175678

20. The Wolf Gift
Anne Rice, Knopf, $25.95, 9780307595119

21. Rules of Civility
Amor Towles, Viking, $26.95, 9780670022694

22. 1Q84
Haruki Murakami, Knopf, $30.50, 9780307593313

23. The Song of Achilles
Madeline Miller, Ecco, $25.99, 9780062060617

24. The Orphan Master's Son
Adam Johnson, Random House, $26, 9780812992793

25. The Starboard Sea
Amber Dermont, St. Martin's, $24.99, 9780312642808

26. Gods Without Men
Hari Kunzru, Knopf, $26.95, 9780307957115

27. Birds of a Lesser Paradise
Megan Mayhew Bergman, Scribner, $24, 9781451643350

28. An American Spy
Olen Steinhauer, Minotaur, $25.99, 9780312622893

29. Mudwoman
Joyce Carol Oates, Ecco Press, $26.99, 9780062095626

30. The Fear Index
Robert Harris, Knopf, $25.95, 9780307957931

31. The Gods of Gotham
Lyndsay Faye, Amy Einhorn Books, $25.95, 9780399158377

32. Believing the Lie
Elizabeth George, Dutton, $28.95, 9780525952589

33. The House I Loved
Tatiana De Rosnay, St. Martin's, $25.99, 9780312593308

34. The Cat's Table
Michael Ondaatje, Knopf, $26, 9780307700117

35. The Thief
Clive Cussler, Justin Scott, Putnam Adult, $27.95, 9780399158612

36. The Darlings
Cristina Alger, Pamela Dorman Books, $26.95, 9780670023271

37. Caleb's Crossing
Geraldine Brooks, Viking, $26.95, 9780670021048

38. The Litigators
John Grisham, Doubleday, $28.95, 9780385535137

39. The Flight of Gemma Hardy
Margot Livesey, Harper, $26.99, 9780062064226

40. Collected Poems
Jack Gilbert, Knopf, $35, 9780307269683

41. Coral Glynn
Peter Cameron, FSG, $24, 9780374299019

42. Murder at the Lanterne Rouge
Cara Black, Soho Crime, $25, 9781616950613

43. Chasing Midnight
Randy Wayne White, Putnam, $25.95, 9780399158315

44. Contents May Have Shifted
Pam Houston, Norton, $25.95, 9780393082654

45. The Vanishers
Heidi Julavits, Doubleday, $26.95, 9780385523813

46. Salvage the Bones
Jesmyn Ward, Bloomsbury, $24, 9781608195220

47. Angelmaker
Nick Harkaway, Knopf, $26.95, 9780307595959

48. Victims
Jonathan Kellerman, Ballantine, $28, 9780345505712

49. At Last
Edward St. Aubyn, FSG, $25, 9780374298890

50. Watergate
Thomas Mallon, Pantheon, $26.95, 9780307378729