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Halo: Silentium

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Silentium Cover
Halo: Silentium


Greg Bear


Tor Books


March 19, 2013[1]


330 Pages

[Source]   [Talk]

Halo: Silentium[2] is the third novel in The Forerunner Saga by Greg Bear, released on March 19, 2013.[1]


In the last years of the Forerunner empire, chaos rules. The Flood has arrived in force, aided by an unexpected ally. Internal strife within the ecumene has desperately weakened Forerunner defenses.

Too little, too late, the legal rate of Juridicals is only now investigating possible crimes by the Master Builder and others. Evidence-gathering agents known collectively as the Catalogs have been dispatched to collect testimony from the The Librarian and both Didacts: the Ur-Didact, treacherously abandoned in a Flood-infested system, and the Bornstellar Didact, who accompanies the Librarian as she preserves specimens against the dire possibility of Halo extermination.

Facing the imminent collapse of their civilization, the Librarian and the Ur-Didact reveal what they know about the relationship between the long-vanished Precursors and the Flood.

The Precursors created many technological species, including humanity and the Forerunners. But the roots of the Flood may be found in an act of enormous barbarity, carried out beyond our galaxy ten million years before...

Because of that barbarism, a greater evil looms. Only the Iso-Didact and The Librarian—husband and wife pushed into desperate conflict—hold the keys to a solution.

Facing the consequences of a mythic tragedy, one of them must now commit the greatest atrocity of all time—to prevent an insane evil from dominating the entire universe.[3]


  • The story is presented through the eyes of many characters, including the Librarian, both Didacts, Catalog, Guilty Spark (Chakas) and the Master Builder.
  • The Iso-Didact survived Halo's firing on the lesser Ark as evidenced in the Rebirth Narrative.
  • This novel features the first example of Precursor war technology being active.
  • The Domain is revealed to be the Organon.
  • The Ur-Didact is encased in his Combat Cryptum by the Librarian.
  • The Librarian gave her title of Lifeshaper to one of her aids 'Chant to Green' in the hours before the Halo firing.
  • 343 added a Glyph code to celebrate the release of Silentium.
    • Also that the video that comes, with the entry of the codes, is the exact one 343 deleted from Halo: Combat Evolved Anniversary, that was noted as the "???" 12th Terminal with this expression;
      • "For decades we have battled an alien enemy we do not understand. Unprovoked, they brought our civilization to its knees, and forced us into hiding".
    • The next day the video was replaced with an audio epilogue called Rebirth narrated by Greg Bear, and which tells the story of Riser after the Halo Array was activated by the Bornstellar-Didact.



Books of Halo
Main series The Fall of ReachThe FloodFirst StrikeGhosts of OnyxContact HarvestThe Cole Protocol
The Forerunner Saga CryptumPrimordiumSilentium (Rebirth)
Kilo-Five trilogy GlasslandsThe Thursday WarMortal Dictata
Collections/Anthologies Evolutions
Upcoming Halo: Broken Circle
Reference The Art of HaloThe Art of Halo 3Encyclopedia (2009)The Essential Visual GuideThe Art of Building WorldsThe Art of Halo 4Halo 4: The Essential Visual Guide
Official Guides Halo: Combat EvolvedHalo 2Halo 3Halo WarsHalo 3: ODSTHalo: ReachHalo 4
Miscellaneous Black Art of Halo Mods

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