The Shadow [a thriller]

"Only two people know that 1930s society man Lamont Cranston has a secret identity as the Shadow, a crusader for justice. One is his greatest love, Margo Lane, and the other is his fiercest enemy, Shiwan Khan. When Khan ambushes the couple, they must risk everything for the slimmest chance of survival, in the future. A century and a half later, Lamont awakens in a world both unknown and disturbingly familiar. The first person he meets is Maddy Go...