Based on sales for the week ending August 4, 2013

16. The Great Gatsby
F.Scott Fitzgerald, Scribner, $15, 9781451689433

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

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

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

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

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

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

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

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

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

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

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

28. The Silent Wife
A.S.A. Harrison, Penguin, $16, 9780143123231

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

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

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

32. Mission to Paris
Alan Furst, Random House, $16, 9780812981827

33. The Chaperone
Laura Moriarty, Riverhead, $16, 9781594631436

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

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

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

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

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

39. The Yellow Birds
Kevin Powers, Back Bay, $14.99, 9780316219341

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

41. Broken Harbor
Tana French, Penguin, $16, 9780143123309

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

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

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

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

46. Brave New World
Aldous Huxley, Harper, $14.99, 9780060850524

47. Back to Blood
Tom Wolfe, Back Bay, $18, 9780316036337

48. Tigers in Red Weather
Liza Klaussmann, Back Bay, $15, 9780316211321

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

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