Created as an experiment by the time-traveling goddess Pallas Athene, the Just City is a planned community, populated by over ten thousand children and a few hundred adult teachers from all eras of history, along with some handy robots from the far human future - all set down together on a Mediterranean island in the distant past. The student Simmea, born an Egyptian farmer's daughter sometime between 500 and 1000 A.D, is a brilliant child, eager...