The Absolute Record part 2Operation: ATHENA is underway and there is no turning back. Will Commander Palmer's team survive the treacherous journey into an ancient vault of Forerunner secrets? The thrilling sequel to _Halo_ _4_'s Spartan Ops continues from Duffy Boudreau (_BlackAcre_) and Ian Richardson (_Noble Causes_). *The second chapter of a brand-new arc! *An essential addition to the _Halo_ canon! *The _Halo_ franchise has sales eclipsing $4 billion over its lifetime!