The Saga of Cuckoo Author:Frederik Pohl, Jack Williamson Includes the books Farthest Star and Wall Around A Star — Cuckoo was coming. No one knew what it was--but everyone knew it was trouble. — Designated Object Lambda when it first appeared on the fringes of the galaxy, 20,000 light years away, it was traveling at the astounding velocity of one-sixth the speed of light..straight towards our galaxy. — P... more »reliminatry obervations showed that it was enormous, encompassing the space of entire star systems. It was impossibly light; they might have called it a gas, except that it came closer to being a vacuum. Yet it definitely had a solid surface. It was insane. It was Cuckoo....« less