The Ghost Brigades (A Sci Fi Essential Book)The Ghost Brigades are the Special Forces of the Colonial Defense Forces, elite troops created from the DNA of the dead and turned into the perfect soldiers for the CDF's toughest operations. They're young, they're fast and strong, and they're totally without normal human qualms. The universe is a dangerous place for humanity and it's about to become far more dangerous. Three races that humans have clashed with before have allied to halt our expansion