A desperate team of travelers. A world at war. A new destiny. Once you jump back in time, you can never return. Lincoln Woodhouse knows this, but that doesn't keep him from trying. After all, who wants to live forever in a brutal land of scimitar-toothed cats and vengeful Neanderthals? Lincoln, Skyra, and the rest of the team escape by jumping forward 47,000 years. But the present isn't what it used to be. In this new...