Damian Herde: 2 books

In 2078, Earth was invaded. After the Fall tells the stories of that time. Sniper had been his former occupation, and he had adopted the title, leaving his name on Earth. Occasionally he wished he still had his rifle. He had been roaming the wild bush for months now, enjoying the primitive simplicity of his new life.

She had awoken to a world without reason, with an empty mind, and no-one to answer her questions.