ONLY DYKSTRA CAN SAVE US NOW! Humanity had thought itself alone in the Cosmos. By the end of the 21st century, it had filled the Solar System and begun warring with itself. But then the aliens came -- swift, silent, and deadly, possessing enigmatic weapons and faster-than-light technology. At 126 years of age, James Christian Dykstra had thought he'd done enough. As Einstein had been to the 20th century, he had been to the 21st. Nearly all advanced technology depended upon the foundation of his physics. But the aliens had brought something new, and nobody understood it. And nobody understood them. So the System Patrol called upon Dykstra to solve the riddle of the alien weaponry. His failure would mean the end of Humanity. His success would offer a chance at least to fight back....