Extended Paperback Nonfiction Based on sales from the week ending April 25, 2004 16. Bringing Down the House Ben Mezrich, 0743249992, Free Press, $14 17. Michelangelo & the Pope's Ceiling Ross King, 0142003697, Penguin, $15 18. The Four Agreements Don Miguel Ruiz, 1878424319, Amber-Allen, $12.95 19. Dark Star Safari Paul Theroux, 0618446877, Mariner, $15 20. Tuesdays With Morrie Mitch Albom, 076790592X, Broadway, $12.95 21. Nickel and Dimed Barbara Ehrenreich, 0805063897, Owl, $13 22. Queen Bees and Wannabes Rosalind Wiseman, 1400047927, Three Rivers, $14.95 23. Stitch 'n Bitch Debbie Stoller, 0761128182, Workman, $13.95 24. Rich Dad, Poor Dad Robert Kiyosaki, 0446677450, Warner, $16.95 25. The Voice of Knowledge Don Miguel Ruiz, 1878424548, Amber-Allen, $14 26. What to Expect When You're Expecting Heidi E. Murkoff, Arlene Eisenberg, Sandee Hathaway, 0761121323, Workman, $13.95 27. Almost There Nuala O'Faolain, 1573223743, Riverhead, $14 28. Gulag Anne Applebaum, 1400034094, Anchor Books/Doubleday, $16.95 29. Abraham Bruce S. Feiler, 0060525096, Perennial, $12.95 30. Waiting for Snow in Havana Carlos Eire, 0743246411, Free Press, $14 31. What Should I Do With My Life? Po Bronson, 0375758984, Random House, $14.95 32. Grits (Girls Raised in the South) Guide to Life Deborah Ford, Edie Hand, 0452285062, Plume, $14 33. Sixpence House Paul Collins, 1582344043, Bloomsbury, $14.95 34. The Crisis of Islam Bernard Lewis, 0812967852, Random House, $12.95 35. 10 Real SATs College Board (Eds.), 0874477050, College Board, $19.95 36. God's Secretaries Adam Nicolson, 0060959754, Perennial, $13.95 37. The New Pearl Harbor David R. Griffin, 1566565529, Interlink, $15 38. The Apprentice Jacques Pepin, 0618444114, Houghton Mifflin, $14 39. Rand McNally Road Atlas: United States, Canada & Mexico Rand McNally (Ed.), 0528845055, Rand McNally, $11.95 40. Holy Cow Sarah MacDonald, 0767915747, Broadway, $12.95 41. The Future of Freedom Fareed Zakaria, 0393324877, Norton, $14.95 42. A Child Called "It" Dave Pelzer, 1558743669, HCI, $9.95 43. The Three-Martini Playdate Christie Mellor, 0811840549, Chronicle, $12.95 44. Seven Ages of Paris Alistair Horne, 1400034469, Vintage, $16 45. The Templar Revelation Lynn Picknett, Clive Prince, 0684848910, Touchstone, $15 46. Small Wonder Barbara Kingsolver, 0060504080, Perennial, $12.95 47. Bush OOPS Sean Kelly, 1579123724, Black Dog & Leventhal, $9.95 48. A People's History of the United States Howard Zinn, 0060528370, Perennial, $18.95 49. The Tipping Point Malcolm Gladwell, 0316346624, Back Bay, $14.95 50. The Bitch in the House Cathi Hanauer (Ed.), 0060936460, Perennial, $13.95