Based on sales for the week ending May 12, 2013

16. A Lady Cyclist's Guide to Kashgar
Suzanne Joinson, Bloomsbury, $16, 9781608198337

17. The Black Box
Michael Connelly, Grand Central, $14.99, 9781455526956

18. Life of Pi
Yann Martel, Mariner, $15.95, 9780547848419

19. City of Women
David R. Gillham, Berkley, $16, 9780425252963

20. World War Z
Max Brooks, Three Rivers, $14.95, 9780307346612

21. The Prisoner of Heaven
Carlos Ruiz Zafón, Harper Perennial, $14.99, 9780062206299

22. Wolf Hall
Hilary Mantel, Picador, $16, 9780312429980

23. The Dog Stars
Peter Heller, Vintage, $15, 9780307950475

24. The Sense of an Ending
Julian Barnes, Vintage, $14.95, 9780307947727

25. Rules of Civility
Amor Towles, Penguin, $16, 9780143121169

26. The Snow Child
Eowyn Ivey, Reagan Arthur/Back Bay, $14.99, 9780316175661

27. Fifty Shades of Grey
E.L. James, Vintage, $15.95, 9780345803481

28. The Night Circus
Erin Morgenstern, Anchor, $15, 9780307744432

29. The Perks of Being a Wallflower
Stephen Chbosky, MTV Books, $14, 9781451696196

30. The Sandcastle Girls
Chris Bohjalian, Vintage, $15.95, 9780307743916

31. The Yard
Alex Grecian, Berkley, $16, 9780425261279

32. Orphan Train
Christina Baker Kline, Morrow, $14.99, 9780061950728

33. State of Wonder
Ann Patchett, Harper Perennial, $15.99, 9780062049810

34. Beastly Things
Donna Leon, Penguin, $15, 9780143123248

35. The Forgotten
David Baldacci, Grand Central, $14.99, 9781455523153

36. Death Comes to Pemberley
P.D. James, Vintage, $15, 9780307950659

37. Canada
Richard Ford, Ecco Press, $15.99, 9780061692031

38. A Dog's Journey
W.Bruce Cameron, Forge, $14.99, 9780765330543

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

40. The Art of Hearing Heartbeats
Jan-Philipp Sendker, Other Press, $14.95, 9781590514634

41. Fifty Shades Darker
E.L. James, Vintage, $15.95, 9780345803498

42. The Expats
Chris Pavone, Broadway, $15, 9780770435721

43. Cloud Atlas
David Mitchell, Random House, $15, 9780812984415

44. Last Friends
Jane Gardam, Europa Editions, $16, 9781609450939

45. Stag's Leap
Sharon Olds, Knopf, $16.95, 9780375712258

46. Sharp Objects
Gillian Flynn, Three Rivers, $14, 9780307341556

47. The Orphan Master
Jean Zimmerman, Penguin , $16, 9780143123538

48. City of Thieves
David Benioff, Plume, $16, 9780452295292

49. Seating Arrangements
Maggie Shipstead, Vintage, $15, 9780307743954

50. 1Q84
Haruki Murakami, Vintage, $16.95, 9780307476463