Includes an overview of the three great Goa'uld Dynasties; an alphabetical breakdown of nineteen of the most powerful System Lords; new rules, species, speciali

Hardbound, full color

When a Crystal Skull is discovered beneath the pyramid of the Sun in Mexico, it ignites a cataclysmic chain of events that maroons SG-1 on a dying world. Xalđt

With Earth threatened by extraterrestrial invasion, it's up to SG-1 to defend the planet. Get the inside scoop on the series and live the adventure. Meet the te