" In Prague with his fiancée, awaiting a new mission, Jack receives a postcard from Arizona. The enigmatic message scribbled on its face is penned by the attractive and dangerous Ashlynn. Jack suspects her invitation is a trap. Yet, his cohorts are undeterred, eager to experience whatever wonders and perils await them in America. With their Navajo hosts, Jack must face many new mysteries and supernatural encounters, from vampires to skinwalkers—to aliens. Ashlynn believes they first came to Earth through a powerful portal many centuries ago searching for Earth’s resources. But why have they returned? What connection do Ashlynn and the Native Americans have to these interstellar voyagers? Is this a prelude to an alien invasion? It’s up to Jack and his companions to discover the truth. But can they put the pieces of this dangerous puzzle together in time to save the world? "