The PlotinusIncarcerated for his subversive connection to the old, living world, a prisoner makes the most of his isolation in this captivating allegorical tale about tyranny, conviction, and the enduring power of imagination. Upon setting out for a morning walk with his knobby stick in hand, a young man is arrested by a robot called the Plotinus and abandoned in a cell where one beam of sunlight beckons through an air duct. Rapping his knuckles against the vent