5284699
9780451461582
After settlement negotiations between humanity and the alien Tarsalans go horribly wrong, the Earth is engulfed in a mysterious green sphere-blocking all sunlight from reaching the surface. Only two scientists-one isolated on the Moon's lunar colony, the other trapped on a dying Earth-possess the minds and the means to destroy the sphere before it renders the world completely barren...MacKay, Scott is the author of 'Phytosphere ', published 2007 under ISBN 9780451461582 and ISBN 0451461584.
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