Publisher:Ballantine, No.01660,165 pgs. Mass market paperback in very good + condition. Some sunning to the spine area and a crease on the back cover, otherwise in wonderful condition. "Something Was Very Wrong, Out There Among The Stars...The interstellar transport had touched down on six other colony worlds - and all six had been devoid of human life. Where was everybody? It was almost as if humankind, when separated by cosmic distances from Mother Earth, could not survive."