Were they alone on a mysterious Earth where giant cities were run by all-knowing computers and manned by infallible robots?
Were they alone in a savage world where a monstrous race of alien killers hunted them down — and chances of survival grew more slender with every terrifying contact?
Were they alone to carry out a vital mission on which the whole future of human history depended — a mission they had to discover before time ran out?
Devin Wells and Marianne Cowens — plucked out of the twentieth century and plunged into the strangest adventure and most momentous challenge a man and a woman could ever know.
