Based on sales for the week ending June 26, 2011

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

17. The Glass Castle
Jeannette Walls, Scribner, $15, 9780743247542

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

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

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

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

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

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

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

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

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

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

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

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

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

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

32. Drive
Daniel H. Pink, Riverhead, $16, 9781594484803

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

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

35. Packing for Mars
Mary Roach, Norton, $15.95, 9780393339918

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

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

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

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

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

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

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

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

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

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

46. Freakonomics
Steven D. Levitt, Stephen J. Dubner, Harper Perennial, $15.99, 9780060731335

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

48. Are You There, Vodka? It's Me, Chelsea
Chelsea Handler, Simon Spotlight, $16, 9781416596363

49. My Horizontal Life
Chelsea Handler, Bloomsbury, $14.95, 9781582346182

50. The Big Burn
Timothy Egan, Mariner, $15.95, 9780547394602