Based on sales for the week ending May 22, 2011

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

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

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

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

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

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

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

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

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

25. Lone Survivor
Marcus Luttrell, Patrick Robinson, Back Bay, $15.99, 9780316067607

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

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

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

29. Paris, Paris
David Downie, Broadway, $15, 9780307886088

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

31. Role Models
John Waters, FSG, $15, 9780374532864

32. The Naked Roommate
Harlan Cohen, Sourcebooks, $14.99, 9781402253461

33. Women Food and God
Geneen Roth, Scribner, $15, 9781416543084

34. The King's Speech
Mark Logue, Peter Conradi, Sterling, $14.95, 9781402786761

35. Have a Little Faith
Mitch Albom, Hyperion, $13.99, 9781401310462

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

37. Gift From the Sea
Anne Morrow Lindbergh, Pantheon, $9.95, 9780679732419

38. Citizens of London
Lynne Olson, Random House, $17, 9780812979350

39. Mennonite in a Little Black Dress
Rhoda Janzen, Holt, $14, 9780805092257

40. Crow Planet
Lyanda Lynn Haupt, Back Bay, $14.99, 9780316019118

41. Committed
Elizabeth Gilbert, Penguin, $16, 9780143118701

42. The 5 Love Languages
Gary Chapman, Northfield, $14.99, 9780802473158

43. Eaarth
Bill McKibben, St. Martin's, $14.99, 9780312541194

44. Dance First. Think Later.
Kathryn Petras, Ross Petras, Workman, $8.95, 9780761161707

45. The Lost City of Z
David Grann, Vintage, $15.95, 9781400078455

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

47. The Omnivore's Dilemma
Michael Pollan, Penguin, $16, 9780143038580

48. Seeds
Richard Horan, Harper Perennial, $14.99, 9780061861680

49. Food Rules
Michael Pollan, Penguin, $11, 9780143116387

50. This Is Not the Story You Think It Is
Laura Munson, Berkley, $15, 9780425238998