The year is 401 BC, a new art form is burgeoning, what we now call La Tene, or Celtic, spreading north from the alpine regions. Three years earlier Athens had finally been defeated by Sparta and her allies; Rome is but a fledgling city state; the Etruscan confederation is in decline; hordes of Gallic warriors are rampaging south over the Alps and through all this, two from the far northern Tin Islands, blithely wander. It is a...