Lifeburst

Plot

The Ultimate Test: Somewhere, eons past, the Seekers had begun as weapons -- cyborg war machines. Nuclear explosions and powerful lasers meant little to them, for each was larger than ten battleships and subsisted on a diet of heavy metals, preferably radioactive. Nothing was known of the Seekers' creators, for their expansion into space had failed. Their cyborgs ate them. Soon the Seekers had begun their own Lifeburst into space, flying to nearby stars, evolving, hiving, eating... but always destroying the native life. Such was their way. Eventually, a Seeker queen sought refuge in the asteroid belt of the Solar System. She was huge, mean, hungry, and very pregnant. And all that stood between her and the total destruction of Man were a handful of the Seekers' most recent victims and a young man with an unproven secret weapon...