A genuine full-length novel set in the Halo world and based on the brand new York Moments bestselling gaming series!

It has been six years because the end of the Covenant Battle…and yet on the planet Carrow, a world for the edge of the Joint Occupation Zone, a decisive new fight suddenly erupts. Human colonists as well as the alien Sangheili have been completely living a tension-filled coexistence within this place, with Unified Globe Federal government envoy Melody Azikiwe wanting to broker a enduring tranquility between their two varieties. But as civil war right now engulfs the Sangheili, Melody must respond on an additional covert assignment thanks to any office of Naval Intelligence: free the SPARTAN-IIs known as Grey Team, held in stasis since the end of the war by a cunning Elite fleetmaster consumed with vengeance. And none can anticipate the ongoing violence leading to the breakthrough of an even greater, unstoppable threat-one hidden for eons below the surface of the planet…