Audiobook The Border Wolves, written by Damion Hunter. The final thrilling tale of the House of Appius Julianus. A new and deadly threat has emerged at the outskirts of the Roman Empire on the Danube, one that threatens to throw the entire region into chaos. Correus, risen to prefect of a cavalry ala on the border, and Flavius, advisor to the emperor, have both attempted to warn the erratic Domitian of the seriousness of this foe, but to no avail.