(From the publisher):
A Discovery of Major Impact!
The new comet found near Jupiter was an incredible treasure trove of water-ice and rock. Immediately, the water-starved Luna Republic and Sierra Corporation, a leader in asteroid mining, were squabbling over rights to the new resources. But all thoughts of profits and fame were abandoned when a scientific expedition discovered that the comet was on a collision course with Earth.
As scientists struggled to find a way to alter the comet's course, world leaders tried desperately to restrain mass panic, and two lovers quarreled over the direction the comet was to take, all Earth waited to see if humanity had any future at all...
Original title: Thunderstrike!
Genre: Fiction→ Science Fiction→ Bleak Futures
Fiction→ Science Fiction→ World Versions→ End Times