Based on sales for the week ending July 3, 2011

16. Four Fish
Paul Greenberg, Penguin, $16, 9780143119463

17. Zeitoun
Dave Eggers, Vintage, $15.95, 9780307387943

18. Lucky Peach: Issue 1
Chris Ying (Ed.), McSweeney's, $10, 9781936365463

19. War
Sebastian Junger, Twelve, $15.99, 9780446556224

20. The Big Short
Michael Lewis, Norton, $15.95, 9780393338829

21. The Tiger
John Vaillant, Vintage, $15, 9780307389046

22. Into the Wild
Jon Krakauer, Anchor, $14.95, 9780307387172

23. Medium Raw
Anthony Bourdain, Ecco, $15.99, 9780061718953

24. Rand McNally Road Atlas 2012
Rand McNally, $13.95, 9780528003363

25. The Last Stand
Nathaniel Philbrick, Penguin, $18, 9780143119609

26. The Original Argument
Glenn Beck, Threshold, $16, 9781451650617

27. Hitch-22
Christopher Hitchens, Twelve, $14.99, 9780446540346

28. Last Call
Daniel Okrent, Scribner, $17, 9780743277044

29. The Four Agreements
Don Miguel Ruiz, Amber-Allen, $12.95, 9781878424310

30. Thank You Notes
Jimmy Fallon, Grand Central, $12, 9780892967414

31. The Dirty Life
Kristin Kimball, Scribner, $15, 9781416551614

32. The Beekeeper's Lament
Hannah Nordhaus, Harper Perennial, $14.99, 9780061873256

33. The Shallows
Nicholas Carr, Norton, $15.95, 9780393339758

34. Super Natural Every Day
Heidi Swanson, Ten Speed Press, $23, 9781580082778

35. The Murder Room
Michael Capuzzo, Gotham, $17, 9781592406357

36. The Sweet Life in Paris
David Lebovitz, Broadway, $14, 9780767928892

37. Blink
Malcolm Gladwell, Back Bay, $15.99, 9780316010665

38. Too Big to Fail
Andrew Ross Sorkin, Penguin, $18, 9780143120278

39. Lunch in Paris
Elizabeth Bard, Back Bay, $13.99, 9780316042789

40. What the Dog Saw
Malcolm Gladwell, Back Bay, $16.99, 9780316076203

41. How to Read Literature Like a Professor
Thomas C. Foster, Harper, $14.99, 9780060009427

42. What to Expect When You're Expecting
Heidi Murkoff, Sharon Mazel, Workman, $14.95, 9780761148579

43. Superfreakonomics
Steven D. Levitt, Stephen J. Dubner, Harper Perennial, $15.99, 9780060889586

44. The Power of Now
Eckhart Tolle, New World , $14, 9781577314806

45. The Boy Who Harnessed the Wind
William Kamkwamba, Bryan Mealer, Harper Perennial, $14.99, 9780061730337

46. Operation Mincemeat
Ben Macintyre, Broadway, $15, 9780307453280

47. The Most Beautiful Walk in the World
John Baxter, Harper Perennial, $14.99, 9780061998546

48. Eating Animals
Jonathan Safran Foer, Back Bay, $14.99, 9780316069885

49. Night
Elie Wiesel, FSG, $9.95, 9780374500016

50. Aftershock
Robert B. Reich, Vintage, $14.95, 9780307476333