Panther rescued the miners from Edahni, now they are on Mars in the sol system, one hundred twenty light years away. The alien colony discovers riches in the northern mountains and settle in, claiming the planet for their own. But earth claims Mars is thiers and moves to enforce and evict. With Panther still in the core worlds who will defend the colony? Will Panther and Giraffe make it back from the core worlds in time? When a Cyrillium destroyer appears through the gateway who will defend earth, and Mars? Major differences will divide the humans on earth while others will unite. Who will prevail? Join the continuing adventure of Panther and Giraffe in Mars Declares.