Wanted: American nanny for an adorable four-year old. Must be able to handle a moody, brooding, sexy British boss. I'm a single father, a lawyer and some say the most serious man in London. I'm completely focused on raising my four-year-old daughter. Since my wife walked out three years ago, the only woman who has ever caught my eye is the strictly off-limits sister-in-law of my best friend, Autumn Lumen. But...