The Murano glassmakers of Venice are celebrated and revered…but now three are dead, killed for attempting to leave the city that both prized their work and kept them prisoner. For in this, the 17th century, the secret of their craft must, by law, never leave Venetian shores. Yet there is someone who keeps the secret while defying tradition. She is Sophia Fiolario, and she, too, is a glassmaker. Her crime is being a woman…