Susan Melville certainly doesn't look the part of a fierce assassin. But the prim middle-aged spinster plays that role to the hilt when the occasion demands it. Although her free-lance hit-lady days are over, she still dabbles in a meaningful murder, if the victim is deserving. But this time, she's bound and determined to uncover another kind of mystery and exact a very personal revenge. With her U.N. connections and some high-class finagling, Susan...