New Rome — A Universe from the Mind of Tom Frost

In a world that has diverged from our own in the first century AD, a second Roman Empire has arisen in the New World and, after a thousand years, returned to conquer Dark Ages Europe with tanks, battleships, and bombs. In the New Roman Empire, rapidly-advancing technology hasn't changed many of Rome's institutions. Oracles still advise the Senate and slaves still serve at their owner's pleasure. How long can this world endure?