The Haunted Stars is a science fiction novel by American writer Edmond Hamilton. It tells the story of an expedition from Earth (which is in the throes of an arms race) to a planet of the star Altair — a planet called Ryn, inhabited by humans like those on Earth. Against the wishes of Ryn's inhabitants, the team from Earth seek information about weapons technology used in an ancient space war. Their unsuccessful search ends in dramatic contact with another species, the ancient enemy of Ryn. The novel was first published in 1960 by Torquil Books and belongs to a class of novels which add a darker tone to the popular tradition of space opera. It has been published in English, German, Italian, and Portuguese. Source: Wikipedia (en)