SG-1 comes face to face with the banished System Lord Mars and discovers an incredible buried secret. Lost for over 2000 years without a suitable host, the Goa'uld exiles created an entire race of cybernetic creatures to do their bidding. Now this scorned god plans to lead an army of robotic Centurions through the rediscovered Stargate and lay ruin to Rome and beyond. Can Daniel find a way to free Jack O'Neill and Sam Carter before they become the unwilling human hosts of this insane deity? All the action of the smash Sci-Fi Channel hit show is here! Available in regular, wrap, and photo cover editions.