Op. Posth.

After a whirlwind year in the public eye, the recently refrigerated Marshall McLuhan surprises the media by going into seclusion in a remote lodge near Banff provided by old buddy Pierre Trudeau.

Months pass without a public appearance. All inquiries are rebuffed. Press agents for the global villager will say only that he is at work on "a project of personal and cosmic significance." McLuhan is never seen again.

Twenty-two months later, NASA researchers receive an unscheduled burst transmission from the Clarke II space probe en route to the Jovian moon Ganymede. Contained in the burst is complete text of the bestseller Really Understanding Media.