Audiobook Emperor's Axe, written by Alex Gough. The fate of Rome, and thousands of lives, rests on the shoulders of one man. After murdering his brother, and taking the position of Emperor for himself, Caracalla orders a brutal purge of the supporters of Geta. Meanwhile, Caracalla’s ally Marcellus is captured by Syrian warriors. They wish to use his son, Avitus, as a puppet emperor to affirm a new Eastern Empire.