"Palladio is the Bible," Thomas Jefferson once said. "You should get it and stick to it." With his simple, gracious, perfectly proportioned villas, Andrea Palladio elevated the architecture of the private house into an art form during the late sixteenth century -- and his influence is still evident in the ample porches, columned porticoes, grand ceilings, and front-door pediments of America today. In The Perfect House, bestselling author...