Crossing the Event Horizon provides evidence that we are, both individually and collectively, hurtling toward an evolutionary event horizon. Using the tools of

Frederik Pohl was on a streak when this Hugo Award–finalist novel was published in 1980. Now back in print after an absence of nearly a decade, this unique sc

2046 A.D.: Seven years ago an experimental space vessel disappeared under mysterious circumstances. Now the ship has been found orbiting Neptune. When a salvage