An original novel set in the Halo universe-based on the New York Times best-selling video game series! 2560. After eliminating War Chief Escharum and sending the Banished leadership into chaos, the Master Chief continues the fight on Zeta Halo, accompanied by his new AI companion and their loyal pilot Fernando Esparza. As Spartan-117 searches for scattered allied forces, a young combat medic-tortured and imprisoned for months by the Banished and the enigmatic Harbinger-may hold the key to unlocking deeper mysteries within this ancient ringworld. But every step toward answers is haunted by the sinister and elusive blademaster Jega 'Rdomnai, who is hellbent on vengeance...

Kelly Gay is the critically acclaimed author of the Charlie Madigan urban fantasy series. She is a two-time RITA nominee, an ARRA nominee, a Goodreads Choice Awards finalist, and a SIBA Book Award Long List finalist. She has authored the short story, "Into the Fire," featured in Halo: Fractures, the novella, Halo: Smoke and Shadow, and the novel Halo: Renegades.