...It was the century of humanity’s bayonet assault on new planets—a time when the League of Free Worlds was created. That is where the action of the novels “Developing a Refusal” and “Waterline” takes place. These planets are where mysterious black ships appear. None of the attempts to make contact with them or destroy them succeeded.
Another civilization? A super-civilization?
Or people—more precisely, a part of humanity—that has reached a new genetic level?..