If you haven't yet had the pleasure of meeting one of the most original figures in recent crime fiction--Stella Crown, 29-year-old Pennsylvania dairy farmer and dedicated biker--Judy Clemens' perfectly realized second book about her is a good place to start. <p>Stella is a lean, tall, tough woman who wears the tattoo of a cow's skull on the back of her neck. She manages the precarious business of being an independent dairy farmer with the help of loyal friends--bikers from her club, HOG (for Harley Owner's Group), as well as neighboring small landholders, many of them Mennonites with varying ideas of religious freedom. But every day seems to bring a new challenge, making her wonder if it's all worth it. <p>In Till the Cows Come Home, her first outing, she survived threats to her milk supply (poisoned by a large company that wanted her farm) and a nearly fatal road accident that seriously damaged her body and bike. <p>Almost paralyzed with grief after the death of Howie, her longtime