Earth not Forgotten

In Adrift on a Sea of Stars, three starships, the first of their kind set forth to explore nearby star systems. When the crews awoke near their destinations, they discovered that Earth had gone silent during their voyage. In this the sequel, centuries passed before an alien craft intercepts a derelict human starship drifting through the void. With effort, the crew is resurrected. Eventually Earth is located and an expedition is sent a hundred light years distance to investigate. Approaching...