Phytosphere Author:Scott Mackay 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 ... more »it renders the world completely barren...« less
Eh. Not the worst book I've ever read, definitely not the best, or even very good. Simplistic story, one-dimensional characters, not very exciting post-apocalypse setting.