A missing scientist and deep pockets pull Colonel Carl Butler out of retirement, investigating another mystery that puts him and his team-and the future of relations with alien species-in danger in COLONYSIDE, the exciting follow-up to Planetside and Spaceside. A military hero is coming out of disgrace—straight into the line of fire... Carl Butler was once a decorated colonel. Now he's a disgraced recluse, hoping to live out the rest of his life...