Time and Stars Author:Anerson, Poul DANGEROUS UNIVERSE: Faced with machines that think by and for themselves. Super intelligent space beings bent on a suicidal course and a galaxy teeming with dangerous alien life. Man had to invent new weapons, new defenses--or perish from the universe. A mind-bending journey into time and space by one of America's finest writers. — this editio... more »n 1975, copyright 1964« less