31 - Purple Cloud by M P Shiel

The Purple Cloud is a haunting tale of exploration and apocalypse. When Adam Jeffson embarks on a historic expedition to the North Pole, he unknowingly triggers a cataclysmic event. A mysterious purple cloud spreads across the world, leaving him as the last man alive. Is he truly alone, or has fate planned something else for him? A visionary work of science fiction filled with suspense, cosmic forces, and psychological depth.