Extended Paperback Nonfiction Based on sales from the week ending March 7, 2004. 16. The World Almanac and Book of Facts 2004 World Almanac (Eds.), 0886879108, World Almanac, $11.95 17. Waiting for Snow in Havana Carlos Eire, 0743246411, Free Press, $14 18. Tuesdays With Morrie Mitch Albom, 076790592X, Broadway, $12.95 19. Positively Fifth Street James McManus, 0312422520, Picador, $15 20. The South Beach Diet Good Fats/Good Carbs Counter Arthur Agatston, M.D., 1579549586, Rodale, $7.99 21. Rich Dad, Poor Dad Robert Kiyosaki, 0446677450, Warner, $16.95 22. 1421 Gavin Menzies, 006054094X, Perennial, $15.95 23. A People's History of the United States Howard Zinn, 0060528370, Perennial, $18.95 24. Me Talk Pretty One Day David Sedaris, 0316776963, Little Brown, $14.95 25. Small Wonder Barbara Kingsolver, 0060504080, Perennial, $12.95 26. Under the Tuscan Sun Frances Mayes, 0767916069, Broadway, $15 27. Seabiscuit Laura Hillenbrand, 0449005615, Ballantine, $15.95 28. God's Secretaries Adam Nicolson, 0060959754, Perennial, $13.95 29. Winter World Bernd Heinrich, 0060957379, Ecco, $14.95 30. Loving What Is Byron Katie, 1400045371, Three Rivers, $15 31. A Child Called "It" Dave Pelzer, 1558743669, HCI, $9.95 32. The Bitch in the House Cathi Hanauer (Ed.), 0060936460, Perennial, $13.95 33. What Not to Wear Trinny Woodall, Susannah Constantine, 1573223573, Riverhead, $15 34. Men Are from Mars, Women Are from Venus John Gray, 0060574216, Quill Quill, $12.95 35. Rand McNally Road Atlas: United States, Canada & Mexico Rand McNally (Ed.), 0528845055, Rand McNally, $11.95 36. The Crisis of Islam Bernard Lewis, 0812967852, Random House, $12.95 37. Zagat San Francisco Bay Area Restaurants Zagat (Ed.), 1570065357, Zagat Survey, $12.95 38. Dr. Atkins' New Diet Revolution Robert C. Atkins, M.D., 0060081597, Quill, $13.95 39. The Buying of the President 2004 Charles Lewis, 0060548533, Perennial, $14.95 40. Color Victoria Finlay, 0812971426, Random House, $14.95 41. J.K. Lasser's Your Income Tax J. K. Lasser, 0471451258, Wiley, $16.95 42. The Gnostic Gospels Elaine Pagels, 0679724532, Vintage, $12 43. Sex and the City Amy Sohn, 0743457307, Pocket, $20 44. The Elements of Style, 4th Edition William Strunk Jr., E.B. White, 020530902X, Pearson, $7.95 45. What to Expect the First Year Heidi Murkoff, 0761129588, Workman, $15.95 46. The Templar Revelation Lynn Picknett, Clive Prince, 0684848910, Touchstone, $15 47. The Botany of Desire Michael Pollan, 0375760393, Random House, $13.95 48. How the Irish Saved Civilization Thomas Cahill, 0385418493, Anchor Books/Doubleday, $12.95 49. Birnbaum's Walt Disney World 2004 Birnbaum (Eds.), 0786854138, Disney, $16.95 50. The Artist's Way (10th Anniversary Ed.) Julia Cameron, 1585421464, Tarcher/Penguin, $15.95