Extended Hardcover Nonfiction From sales based on the week ending June 8, 2003. 16. The Power of Now Eckhart Tolle, 1577311523, New World, $22.95 17. The Purpose-Driven Life Rick Warren, 0310205719, Zondervan, $19.99 18. Dereliction of Duty Robert Patterson, 0895261405, Regnery, $27.95 19. My Invented Country Isabel Allende, 006054564X, HarperCollins, $23.95 20. A Short Guide to a Happy Life Anna Quindlen, 0375504613, Random House, $12.95 21. The Merck Manual of Medical Information Mark Beers, et al (Eds.), 0911910352, Merck, $37.50 22. Charlie Wilson's War George Crile, 0871138549, Atlantic Monthly, $26 23. Open John Feinstein, 0316170038, Little Brown, $25.95 24. Sixpence House Paul Collins, 1582342849, Bloomsbury, $23.95 25. Persepolis Marjane Satrapi, 0375422307, Pantheon, $17.95 26. The Power of Full Engagement Jim Loehr, Tony Schwartz, 0743226747, Free Press, $26 27. God's Secretaries Adam Nicolson, 0060185163, HarperCollins, $24.95 28. The Clinton Wars Sidney Blumenthal, 0374125023, FSG, $30 29. A Round-Heeled Woman Jane Juska, 1400060117, Villard, $23.95 30. The Devil in the White City Erik Larson, 0609608444, Crown, $25.95 31. Man, a Can, a Grill David Joachim, 1579547672, Rodale, $15.95 32. Positively Fifth Street James McManus, 0374236488, FSG, $26 33. Jarhead Anthony Swofford, 0743235355, Scribner, $24 34. Isaac Newton James Gleick, 0375422331, Pantheon, $22.95 35. Dry Augusten Burroughs, 0312272057, St. Martin's, $24.95 36. Living History Hillary Rodham Clinton, 0743222245, S&S, $28 37. Who Moved My Cheese? Spencer Johnson, 0399144463, Putnam, $19.95 38. Black Dahlia Avenger Steve Hodel, 1559706643, Arcade, $27.95 39. Crisis of Islam Bernard Lewis, 0679642811, Modern Library, $19.95 40. Feeding a Yen Calvin Trillin, 0375508082, Random House, $22.95 41. I Hope You Dance Mark D. Sanders, 1558538445, Rutledge Hill, $14.99 42. Curves Gary Heavin, 0399150617, Putnam, $23.95 43. Dark Star Safari Paul Theroux, 0618134247, Houghton Mifflin, $28 44. Shattered Love Richard Chamberlain, 0060087439, ReganBooks, $25.95 45. How to Mow the Lawn Sam Martin, 0525947310, Dutton, $16.95 46. The Fat Flush Plan Ann Louise Gittleman, 0071383832, McGraw-Hill, $21.95 47. Me and My Dad Paul O'Neill, 0060524057, Morrow, $25.95 48. Best Things in Life Aren't Things Joann Davis, 0807028223, Beacon, $11.95 49. Songbook Nick Hornby, 0971904774, McSweeney's, $26 50. A Million Little Pieces James Frey, 0385507755, Nan A. Talese, $22.95