A FAMILY TO CALL HIS OWN When Cassie Morrison arrived on Zach Hart's doorstep, claiming her swaddled bundle was a Hart, he knew she was another gold digger out to lasso the Wind Song Ranch fortune – and destroy his family. Yet somehow this sultry spitfire's fierce protectiveness stirred his emotions-and his passions... . Fighting her undeniable and searing attraction to the virile cowboy was the most difficult act of Cassie's life – but she'd do anything to ensure that baby Billy received the love he deserved. She longed to yield to tantalizing temptation and throw caution to the Wyoming wind, but too much was at stake. Namely, her heart...