The War of the Worlds, written by H.G. Wells, is a groundbreaking science fiction novel that popularized the concept of alien invasion. Set in Victorian England, the story follows an unnamed narrator as he witnesses the arrival of Martians on Earth. The Martians bring with them highly advanced alien technology, including deadly heat rays and towering fighting machines. As humanity struggles to survive, the novel explores the devastating impact of alien technology on society. The War of the Worlds remains a timeless classic in the genre of alien science fiction.