Lawman's Agreement by Nancy Fraser and Patti ShenbergerPost-Civil War MississippiU.S. Marshal, Zack McCade, takes pride in protecting the good folks of Greenville - especially beautiful Dr. Suzanne Martindale. He doesn't always understand her need for independence, but he sure does like getting under her skin. It's not like he's looking to settle down - his job is too dangerous to risk taking a wife and family. In an era when women aren't readily accepted in the male dominated world of medicine,