At the Mountains of Madness by H. P. Lovecraft

A scientific expedition to Antarctica uncovers the ruins of an ancient alien civilization—and a deadly secret buried beneath the ice. As they study the city and its murals, the explorers realize they are not alone. This novella is a dense, slow-burn masterpiece of science fiction horror. At the Mountains of Madness reveals the terrifying scale of Lovecraft’s universe and the fragility of human knowledge. A towering achievement in cosmic horror.