Galaxies collide in a thrilling new series from bestselling author Ian Douglas, as the last humans in the universe face off against a new threat 2162. Thirty-eight years after first contact, Lord Commander Grayson St. Clair leads the Tellus Ad Astra on an unprecedented expedition to the Galactic Core, carrying more than a million scientists, diplomats, soldiers, and AIs. Despite his reservations about their alien hosts, St. Clair is deeply committed...