The tomorrow people: a science fiction novel

Johnny Wendt returns as the sole survivor of a doomed Mars expedition, haunted by memories of a deadly force that claimed his crewmates. As Earth's superpowers race to unlock the secrets of the Red Planet, Johnny becomes their most valuable asset—unaware that he may have carried Mars' lethal mystery back with him. Judith Merril crafts a chilling tale of space exploration, survival, and the terrifying unknown lurking beyond our world.