Cosmic Engineers Author:Clifford D. Simak Adrift in a derelict spaceship, her body in a state of suspended animation but her mind still functioning, Caroline Martin has had a thousand years to think about the nature of time and space. And she needs every bit of her patiently won knowledge when a call comes from the outer rim of the universe - a desparate plea from the Cosmic Engineers.
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Who are the engineers? A mysterious race of superbeings, they claim guardianship of the universe. But now they foresee a catastrophe even their fabulous technology can't avert. And suddenly Caroline and the men who rescue her find that on them alone rests the fate of the entire universe.« less