Almost nothing is known for sure about this ancient race. Worshipped by the Covenant as gods their engineering relics pepper the galaxy & their connection to humanity remains unanswered. Devoted fans of both the books & games will finally get to delve deep into the era of these enigmatic beings & discover for themselves the epic story behind one of the great mysteries of the ' Halo' universe: the complete disappearance of the Forerunners from existence.