A town has frequent visits from phantom apparitions, and the townspeople have many explanations for the ghosts, ranging from disbelief to hallucination to the idea that humans and phantoms were once a single race.

When aliens land on a planet new to them, they find a population obsessed with a virtual reality and uninterested in the intense beauty of the natural world around them.

Extraterrestrial visitors promise solutions to America's financial, environmental, and energy problems - in exchange for the country's black citizens. A cultural struggle breaks out to determine whether the trade will be made.

A stranger from the faraway future appears in a young man's room in 1952 with an urgent mission.

Two extraterrestrial beings land on Earth in search of information and struggle to adapt.