Future Imperfect

Mal was heading across an America ravaged by worldwide earthquakes when he ran into a dying stranger who babbled of men who weren't really men, and had an unusual gold coin which no expert could identify. Soon, someone who wanted the coin back was on his trail - and they weren't human...The commander of the fleet that just annihilated the alien enemy has decided to become world dictator unless his second in command can stop him...A national test condemns a man to a life of unskilled labour, unless he can find a way around the system...