It was Earth, but not Earth as we know it. Overhead, the stars were like cinders in a flat and bone-gray sky. A man and a woman stood on a plain with no horizons, shivering in the thin, cold wind. They had just opened the Door between the worlds, and something was coming to greet them....
-- from the back cover
Original title: Operation Chaos
Genre: Fiction→ Science Fiction→ World Versions→ Alternate and Parallel Worlds