Multimillion-copy bestselling authors Douglas E. Richards and Brandon Ellis return with the explosive second installment of the Epic of Atlantis. They saved the world once. But the world refused to stay saved. And if you try to change history . . . history has a way of biting back. Armed with a warning of a future Atlantis drowning in its own ruins, Robert Shaw, Kira Shelton, and Matt Jones return to the ancient past carrying a device that can shield civilization itself. But Kairos Daedalus is waiting—scarred, vengeful, and no longer entirely human in his ambitions. Behind him stand the a species that has played the long game across galaxies and millennia. As old allies become fugitives, new enemies rear their lethal heads, and deceit becomes the rule, the trio from the future are devastated to learn the the stakes have elevated beyond belief. Their earlier efforts failed, leading once again to the same cataclysmic events that sent civilization reeling. But this time, failure threatens far more than just the Earth. This time, failure threatens the entire galaxy . . .