The Grey Men: Alien Resource Guide
Who are the Grey Men?
The Grey Men are a menace to the good citizens of The Dominion of Humankind. They have plagued the Earth by abducting humans and performing inhuman experiments to keep their own dying species alive. And they must be stopped.
The book is constructed to offer a brief summary for new players of Aliens & Asteroids and an expanded section for Referees with additional information, including details on how to create Grey characters, new technologies, and some story possibilities to explore.