Cyborg Awakenings — Chris Myers

In this prequel of the series, every major city on Earth has been destroyed by the Mesaarkan's in revenge for a massacre on a distant colony by and Earth survey team. Cyborgs have been created by the thousands to fight the hundred year war. While the fighting goes on in distant colonies survivors and their descendants struggle to survive in what was once Chicago. They live in ruined buildings without utilities or running water much like the pioneers in the 19th century.