Mark Stoneman is a professor of English and American literature at Princeton University. He became a widower two years ago, when his wife succumbed to leukemia after a short, painful fight. He has two children, Tyler, now aged fourteen, and Melissa, aged twelve. Mark is raising them as a single parent with the help of a wonderful housekeeper and nanny, Anna Maria Lopez. She herself has four children and is a widow. The Stoneman family live in a lovely four bedroom colonial style house in Princet