Proposes a controversial new theory explaining the extinction of the dinosaurs that involves the possible existence of a "death star" that causes comet showers

The U. Cal Berkeley physics professor recounts the genesis, discovery, and aftermath of his theory that a killer star--Nemesis--is orbiting the sun, barraging t

"A futuristic fantasy in which the fate of the world's energy source is in the hands of a prince and princess who are rivals"--

“A totally new and original work that stretches his talents to their fullest . . . welcome back, champ!”—The Detroit News In the twenty-third century pion