The bestselling adaptation of the iconic gaming Halo: Combat Evolved featuring the Master Chief—area of the expanded universe predicated on the award-winning gaming series!

2552. Having hardly escaped the ultimate battle for Reach against the vast alien alliance known as the Covenant, the staff from the Pillar of Fall months, including Spartan John-117—the Master Key—and his AI friend Cortana, is pressured to produce a desperate escape into slipspace. But their destination brings them to a historical about HALO: The Flood mystery and an even greater struggle. In this far-flung corner from the world floats a magnificently massive, artificial ringworld. The staff’s only wish of survival is normally to crash-land on its surface and take the fight opposing the Covenant to the bottom.

But they quickly find that this enigmatic ringworld is much more than it seems. Constructed 100,000 years ago by a long-lost civilization known as the Forerunners, this “Halo” is usually worshipped by the Covenant—a sacred artifact they hope will complete their religious quest for expected transcendence, and they will stop at nothing to regulate it. Engaging in fierce combat, Master Chief and Cortana will go deep in to the Halo construct and uncover its dark secret and true purpose—even while a monstrous and far more vicious enemy compared to the Covenant emerges to threaten all sentient life on Halo and the galaxy beyond…