“The Glass Horizon” part 1: An action-packed survival tale on the treacherous and barren glasslands of a Covenant-ravaged colony world . . . and a Spartan-IV’s mysterious origin revealed in this two-part thriller by Duffy Boudreau (BlackAcre) and Douglas Franchin (Person of Interest).

* The beginning of a new arc in the Halo: Escalation series!