Why would a man rob his family bank to make off with more than a million dollars? Yet that is what Rex van Ryn seems to have done before vanishing without trace in Buenos Aires. The Duke de Richleau and his friends have their suspicions about the ex-SS Gruppenfuhrer with whom Rex is alleged to have been consorting - but that is only the beginning of the mystery. On a trail to the heart of the desolate Bolivian Andes, Rez's friends once again confront the abominable orgiastic rites of the Satanists and a Devil-inspired plan to bring open race war to the cities of the world...'Never lets you down. Excitement is crammed into every page' - Howard Spring, "Evening Standard'.