The planet cadwal is forever set aside as a natural perserve, owned and administered by the naturalist society of earth, and inhabited by a very limited number of skilled human scientists and their families. But this sys...The planet cadwal is forever set aside as a natural perserve, owned and administered by the naturalist society of earth, and inhabited by a very limited number of skilled human scientists and their families. But this system has been complicated by the passing centuries, and has become a byzantine culture where every place in the houses of cadwal is the object of savage competition.