Primordium
HALO has become one of the most successful science fiction franchises of all time. Its ability to captivate gamers with ground-breaking action is unquestionable. But it's also a spectacular universe, rich with untold stories that have led hundreds of thousands of HALO fans to pick up the novels. The fans are always hungry for more exposure within the HALO universe, and one of the most enigmatic and speculated upon corners within HALO is the ancient engineering race of the Forerunners. They are worshipped by the Covenant as gods. Their engineering relics pepper the galaxy yet their connection to humanity remains unanswered.
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