Based on sales for the week ending September 8, 2013

16. Joyland
Stephen King, Hard Case Crime, $12.95, 9781781162644

17. A Hologram for the King
Dave Eggers, Vintage, $15.95, 9780307947512

18. Sweet Tooth
Ian McEwan, Anchor, $15.95, 9780345803450

19. The Secret Keeper
Kate Morton, Washington Square Press, $16, 9781439152812

20. Winter of the World
Ken Follett, NAL, $25, 9780451419248

21. The Paris Wife
Paula McLain, Ballantine, $15, 9780345521316

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

23. The Language of Flowers
Vanessa Diffenbaugh, Ballantine, $15, 9780345525550

24. The Bartender's Tale
Ivan Doig, Riverhead, $16, 9781594631481

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

26. The Racketeer
John Grisham, Bantam, $16, 9780345545336

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

28. The Unlikely Pilgrimage of Harold Fry
Rachel Joyce, Random House, $15, 9780812983456

29. Insane City
Dave Barry, Berkley, $16, 9780425264720

30. Fahrenheit 451
Ray Bradbury, S&S, $13.99, 9781451673319

31. The Beautiful Mystery
Louise Penny, Minotaur, $15.99, 9781250031129

32. Defending Jacob
William Landay, Bantam, $15, 9780345533661

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

34. Tell the Wolves I'm Home
Carol Rifka Brunt, Dial, $15, 9780812982855

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

36. Still Life
Louise Penny, St. Martin's Griffin, $15.99, 9780312541538

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

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

39. World War Z
Max Brooks, Broadway, $14.95, 9780770437411

40. Bring Up the Bodies
Hilary Mantel, Picador, $16, 9781250024176

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

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

43. In Falling Snow
Mary-Rose MacColl, Penguin, $16, 9780143123927

44. The 100-Year-Old Man Who Climbed Out the Window and Disappeared
Jonas Jonasson, Hyperion, $15.99, 9781401324643

45. The Catcher in the Rye
J.D. Salinger, Back Bay, $13.99, 9780316769174

46. Ender's Game
Orson Scott Card, Tor, $9.99, 9780765337542

47. A Hundred Flowers
Gail Tsukiyama, St. Martin's Griffin, $15.99, 9781250022547

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

49. Ready Player One
Ernest Cline, Broadway, $14, 9780307887443

50. The Art of Racing in the Rain
Garth Stein, Harper, $14.99, 9780061537967