Ganymede Calling

Something is alive on the icy surface of Ganymede—and it just shot down your shuttle.Marine biologist Sophia Sigler was supposed to investigate a faint alien signal from Jupiter's frozen moon. Instead, she and her crew are stranded on the surface, hunted by a metallic, spider-like machine that turns out to be something stranger: a hollow exosuit engineered for a cephalopod species known as the Keeuoggs.When Sophia dives alone into a shaft beneath the ice, she expects ruins, fossils, or traces of