Book excerpt: Earth's population has been reduced to less than 2 million people after a catastrophic attack by a pillager race intent on securing more raw materials for their war machine. After destroying earth's attackers, aliens seeking a new home, settle here and begin rebuilding the planet. But as Ralph discovers too late, the powerful radars used by our planet's military and air traffic controllers have been acting as beacons, transmitting their pulsed electrons across space for the past 70 years; drawing aggressive aliens to earth like moths to a flame. Ralph Butler, the man who once thought UFOs and aliens were no more than hilarious hallucinations, now heads the earth defense forces; joined in an alliance with a number of other planets.