Centuries ago, the aquatic alien Sa arrived to explore Earth's wonders. Initially, they disregarded the dominant land-dwelling humans, viewing them as dangerous and primitive. However, the Sa explorers became marooned on Earth when an aggressive interstellar species invaded and occupied their home worlds.Now, human-induced climate change and nuclear weapon proliferation threaten the Sa's existence. With their expertise in genetic manipulation, the Sa created a hybrid human species ...

Centuries ago, the aquatic alien Sa arrived to explore Earth's wonders. Initially, they disregarded the dominant land-dwelling humans, viewing them as dangerous and primitive. However, the Sa explorers became marooned on Earth when an aggressive interstellar species invaded and occupied their home worlds.Now, human-induced climate change and nuclear weapon proliferation threaten the Sa's existence. With their expertise in genetic manipulation, the Sa created a hybrid human species ...