Jack Colrain

Commander Andrew Ritchie swore a vow to exterminate the insect-like aliens that devastated humanity. But when his latest battle turns into a rescue mission, Andrew’s medical background draws the attention of a high-ranking officer - who reassigns him to the Valkyrie Corps....

Hammond's Hardcases: The Complete Series includes three books: Mozari Arrival, Trojan Colony, and Gateway War. The massive Mozari spaceship struck without warning. In an instant, major cities were leveled. Millions were wiped from the face of the Earth....

After destroying the Church of Humanity, Jim Parker is a hero of the rebellion. But his mission is just getting started. Living on the run takes its toll on Finn, Ava, and their friends, but Parker gains hope from the ordinary people he sees performing small acts of resistance every day....

The mission might be their last. Humanity can’t win. Lieutenant Daniel West and his soldiers will never overcome the crushing odds of a direct assault against superior alien forces. Every simulation test they’ve run ends the same way - in death. But they have no other choice....

The massive Mozari spaceship struck without warning. In an instant major cities were leveled. Millions were wiped from the face of the Earth. The horrifying message to those remaining - your training starts now....

Earth’s landscape lies scorched by weapons fire after the most recent round of alien attacks. The technology the Mozari left behind has advanced scientific understanding at breakneck speeds, giving humanity the chance to fight back against their Gresian foes....

In the time before the storm, Jim Parker committed his life to helping others. As a police officer, he placed himself in harm’s way for the greater good. But now that the world’s been turned upside down by a deadly EMP strike, it’s all he can do to survive....

911 operator Jim Parker wants - more than anything - to be useful again. When a catastrophic EMP strikes, and he’s the last person a kidnapped girl speaks to before the lines go dead, he knows he can’t let her down....