Read a Preview of the New Halo Forerunner Book, Out Today

Halo: Primordium, the second book in Greg Bear’s Forerunner trilogy, is out in stores today. Primordium continues the story of the enigmatic creators and builders of the Halos that began in Halo: Cryptum. In the wake of the apparent self-destruction of the Forerunner empire, two humans—Chakas and Riser—end up on a strange inverted world where horizons rise into the sky. Their epic journey across this damaged Halo takes them into the domain of a powerful and monstrous intelligence who claims to be the Last Precursor. Called the Captive by Forerunners, and the Primordial by ancient humans, this intelligence has taken charge of, and perverted, the Master Builder’s already horrifying research into the Flood. Chakas and Riser unwittingly become trapped in an ancient game of vengeance between the powers who seeded the galaxy with life and the Forerunners, who have taken up the sacred Mantle of duty to protect all living things.

“As we head into the launch year for Halo 4, more and more fans are begging for answers to a lot of questions,” says Frank O’Connor, Franchise Development Director at 343 Industries. “In Primordium, Greg answers those, and a bunch you never even thought to ask and introduces some new mysteries that will have a resounding and lasting effect on the Halo universe.”

Fans of Halo can read the first chapter right here on


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