Alien Files 1: The Greys
Terrifying masters of mental power and high technology¸ these aliens have plagued mankind for as long as there has been a mankind. Learn their secrets¸ see their technology¸ find out what it will take for a group of Player Characters to make a difference in a world where the Greys are just one of the horrible things standing between humanity and its destiny. See their ships¸ their weapons and their armor. Marvel at their world-wide and galaxy-wide operation of human traficking¸ and dare to hope that mere humans can stand against them!
"All right¸ so they're a little squishy in some spots - but they don't let that slow them down too much. They are the Greys. To know them is to know true fear.