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To that flash of semivision can be traced a full half of the horror which has ever since haunted us . . . 'An expedition to Antarctica goes horribly wrong as a group of explorers stumbles upon some mysterious ancient ruins, with devastating consequences. At the Mountains of Madness ranks among Lovecraft's most terrifying novellas, and is a firm favourite among fans of classic horror.The Penguin English Library - collectable general readers' editions of the best fiction in English, from the eighteenth century to the end of the Second World War.