Myrkkyvyöhyke

A science fiction novel written in the early 20th century. The story revolves around a group of notable characters including Professor George Edward Challenger and his companions as they confront a potentially catastrophic event related to a change in the universe's ether, suggested to be causing a mysterious sickness. The opening of the novel begins with Malone, a journalist, recalling his previous adventures with Challenger and the unusual circumstances that have brought them together once more. As Malone navigates his responsibilities at the newspaper and interacts with his old friends, he learns of Challenger's alarming theories about the dimming Fraunhofer lines in spectra, which he believes indicate a broader cosmic threat. While Challenger's theories provoke skepticism, early signs of troubling behaviors among people and news from far-off lands hint at a deadly force at play, setting the stage for a confrontation with mortality and the potential end of humankind.