Worlds in Transition is a set of three stories that explore the limits of reality and perception.
In Parallax, two people discover strange messages in the detector of a scientific experiment deep under the mountains of Montana.
In the End of the World, two survivors, on an isolated Mars base, investigate a strange dead region on the shores of an ancient Martian sea after an apocalyptic war on Earth.
In One Way Ticket, an Earth anthropologist travels an impossible distance through space and time to study the first extraterrestrial species ever found. But what he finds is that the strangest species of all is the human species.