Cryptum
Almost nothing is known for sure about this ancient race. Worshipped by the Covenant as gods, their engineering relics pepper the galaxy, and their connection to humanity remains unanswered.
Devoted fans of both the books and games will finally get to delve deep into the era of these enigmatic beings, and discover for themselves the epic story behind one of the great mysteries of the 'Halo' universe: the complete disappearance of the Forerunners from existence.
Greg Bear
Gregory Dale Bear (born 1951) is an American science fiction and mainstream author. His work has covered themes of galactic conflict (Forge of God books), artificial universes (The Way series), consciousness and cultural practices (Queen of Angels), and accelerated evolution (Blood Music, Darwin's Radio, and Darwin's Children).
The Forerunner Saga
The Forerunner Saga consists of three books. The current recommended reading order for the series is provided below.
Main series Halo