Earth Force: Return of the Neanderthals

We are not alone in the universe! Yet one would never believe that first contact with an alien race would actually be with Neanderthals, who walked our planet long ago. Plenteriens, an ancient alien civilization, understood the Neanderthals were headed for sure extinction and went against the laws of the Tri-Galaxy Alliance by sending a fleet of starships with the sole purpose of capturing half the remaining population of Neanderthals to enslave for use in their own world. Over the millenni...