Phyllis Ursula James. Nora O'Mara. Roisin Ni Mheara. Like her name, the life of Rosaleen James changed many times as she followed a convoluted path from abandoned child, to foster daughter of an aristocratic British family, to traitor during World War II, to her emergence as a full Irish woman afterward. In Masquerade, authors Mark M. Hull and Vera Moynes tell James's story as it unfolds against the backdrop of the most important events of the twentieth century. James's life--both real and imagined--makes for an incredible but true story.

By altering her identity to...