The Black Cloud Author:Fred Hoyle Earth was dying...One fourth of its population was dead. The rest had little time to live. A mass of interstellar matter had invaded the solar system, flinging planets out of orbit and blocking off the sun. In that titanic disaster, Man had one small chance to survive; Appeal to an alien intelligence that might exist, and that might--or might no... more »t--care enough to help.« less
This is an excellent book about how professionals and amateurs respond when new astronomical events start being observed. I will reread it one of these days.