"AND THEN THE TOWN TOOK OFF:
~ ~~ ~
The town of Superior, Ohio was certainly living up to its name! In what was undoubtedly the most spectacular feat of the century, it simply picked itself up one night and rose two full miles above Earth!
~ ~~ ~
Radio messages simply stated that Superior had seceded from Earth. But Don Cort, stranded on that rising town, was beginning to suspect that nothing was simple about Superior except its cit ..."
"Science fiction paperback original. Authors include Gordon R. Dickson, Orson Scott Card, David Drake, Larry Niven, Frederik Pohl, Norman Spinrad & others."