Based on sales for the week ending February 19, 2012

16. Room
Emma Donoghue, Back Bay, $14.99, 9780316098328

17. Before I Go to Sleep
S.J. Watson, Harper, $14.99, 9780062060563

18. The Girl Who Played With Fire
Stieg Larsson, Vintage, $15.95, 9780307454553

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

20. The Girl With the Dragon Tattoo
Stieg Larsson, Vintage, $15.95, 9780307949493

21. The Great Gatsby
F.Scott Fitzgerald, Scribner, $15, 9780743273565

22. The Story of Beautiful Girl
Rachel Simon, Grand Central, $12, 9780446574457

23. A Dog's Purpose
W.Bruce Cameron, Forge, $12.99, 9780765330345

24. Freedom
Jonathan Franzen, Picador, $16, 9780312576462

25. Sister
Rosamund Lupton, Broadway , $14, 9780307716521

26. Started Early, Took My Dog
Kate Atkinson, Reagan Arthur, $14.99, 9780316066747

27. The Kitchen House
Kathleen Grissom, Touchstone, $16, 9781439153666

28. The Forgotten Garden
Kate Morton, Washington Square Press, $15, 9781416550556

29. Hotel on the Corner of Bitter and Sweet
Jamie Ford, Ballantine, $15, 9780345505347

30. This Beautiful Life
Helen Schulman, Harper Perennial, $13.99, 9780062024398

31. The Imperfectionists
Tom Rachman, Dial, $15, 9780385343671

32. An Object of Beauty
Steve Martin, Grand Central, $14.99, 9780446573658

33. Little Bee
Chris Cleave, S&S, $15, 9781416589648

34. Night Road
Kristin Hannah, St. Martin's, $14.99, 9780312364434

35. Emily, Alone
Stewart O'Nan, Penguin, $15, 9780143120490

36. The Descendants
Kaui Hart Hemmings, Random House, $15, 9780812982954

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

38. West of Here
Jonathan Evison, Algonquin, $15.95, 9781616200824

39. Three Weeks in December
Audrey Schulman, Europa Editions, $16, 9781609450649

40. People of the Book
Geraldine Brooks, Penguin, $15, 9780143115007

41. A Secret Kept
Tatiana De Rosnay, St. Martin's, $14.99, 9780312553494

42. Squirrel Seeks Chipmunk
David Sedaris, Ian Falconer (Illus.), Back Bay, $13.99, 9780316038409

43. Tinkers
Paul Harding, Bellevue Literary Press, $14.95, 9781934137123

44. The Postmistress
Sarah Blake, Berkley, $15, 9780425238691

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

46. Save Me
Lisa Scottoline, St. Martin's, $14.99, 9780312380793

47. Faith
Jennifer Haigh, Harper Perennial, $14.99, 9780060755812

48. The Year We Left Home
Jean Thompson, S&S, $15, 9781439175903

49. The Elegance of the Hedgehog
Muriel Barbery, Europa Editions, $15, 9781933372600

50. Sing You Home
Jodi Picoult, Atria, $16, 9781439102732