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For other uses, see Preserver.

The latest in the New York Times bestselling series!Preserver was a Star Trek novel written by William Shatner, with thanks to Judith and Garfield Reeves-Stevens. The book was Shatner's sixth Star Trek novel published by Pocket Books, his fifth novel taking place in the 24th century and the third and final book of the Mirror Universe Trilogy.


For three full decades, on television and in film, actor William Shatner has portrayed one of the legendary heroes of science fiction: James Tiberius Kirk, captain of the starship Enterprise. Although Kirk was believed to have perished at the conclusion of Star Trek Generations, his amazing literary resurrection led to an acclaimed trilogy of national bestsellers, The Ashes of Eden, The Return, and Avenger.
Now William Shatner again brings his unique blend of talents as actor, writer, director, and producer to the conclusion of the new trilogy begun with Spectre and continuing with Dark Victory, as two men—and two universes—never meant to meet are drawn closer together toward an inevitable and destructive reaction…
The deadly and tyrannical Emperor Tiberius, formerly captain of the ISS Enterprise, had great success turning captured alien weaponry to his advantage, but his failed attempt to seize the tantalizing advances of the ancient First Federation has always rankled him. In the more peaceful universe of the United Federation of Planets, Tiberius sees his second chance. And a new ally will help him take it—the counterpart for whom he has nothing but contempt, the man whose USS Enterprise made first contact with the First Federation: Starfleet Captain James T. Kirk.
Honorable, idealistic, and decent, James T. Kirk is many things Tiberius is not. But he is also a man deeply in love with his wife—and Teilani is dying. To save her life, Kirk will compromise his ideals and enter into his most dangerous alliance yet.

Jean-Luc Picard.

Pursued by Captain Jean-Luc Picard and a new generation of Starfleet heroes, Kirk will guide Tiberius to a long-abandoned First Federation base. There, he expects to find a source of power so great it will enable Tiberius to conquer the mirror universe—and his own.
But on their journey Kirk will uncover long-hidden secrets about the past that raise the stakes far beyond the mere survival of Kirk's family and friends to nothing less than the continued existence of the universe.
At the heart of their quest, something else is waiting: an object from a civilization whose technology is far more advanced than any Kirk or Tiberius could expect to acquire, placed there for Kirk's eyes only by the mysterious aliens who appear to have influenced life within the galaxy over eons of time—a message from the Preservers



James T. Kirk.

James T. Kirk's mirror universe double has risen to power as the evil Emperor Tiberius. This alternate universe version has failed in his quest to learn the secrets of the advanced First Federation. Tiberius tries to intervene in the primary universe to learn the secrets of its version of the First. To complicate matters, Kirk's wife Teilani is deathly ill, a situation Tiberius gleefully takes advantage of in order to secure Kirk's assistance.



Beverly CrusherDataJames T. KirkJames T. Kirk (mirror)Geordi La ForgeLeptChristine MacDonaldAndrea M'BengaLeonard McCoyJean-Luc PicardWilliam T. RikerMontgomery ScottZefram SloaneSpockSpock (mirror)TeilaniDeanna TroiT'Serl
Referenced only
Elim GarakRayla Gundersdotter

Starships and vehicles[]

Referenced only
USS Enterprise (Constitution-class heavy cruiser) • Percival LowellClyde Tombaugh


Alpha QuadrantBadlandsBajoran wormholeBeta QuadrantDeep Space 9Goldin DiscontinuityHalkaStarbase 25-Alpha
Fort LincolnGundersdotter's Dome

Races and cultures[]

androidBajoranCardassianChalchaj'qmeyFerengiHuman (Martian) • Jem'HadarKlingonNorlakPreserverReticulanRomulanVulcan

States and organizations[]

DominionFirst FederationKlingon-Cardassian AllianceKlingon ConfederacyVulcan Academy of ScienceVulcan Diplomatic CorpsVulcan Resistance
Ferengi Alliance
Ferengi Commerce Authority
Klingon Empire
Klingon High Council
Terran Empire
Imperial Fleet
United Federation of Planets
Federation CouncilFederation Department of Temporal InvestigationsFirst Contact OfficeMartian ColoniesProject MagnetProject SignSeldon InstituteStarfleetStarfleet CommandStarfleet IntelligenceStarfleet OperationsTechnical Intelligence DivisionTechnology Committee on Strategic Planning

Science and classification[]

airlockalienanimalatmospheredilithiumforce fieldgalaxyhairholosimulationlife-formlight-yearmagnifying glassplantPreserver obeliskstarbasestarshipterraformingtimetransportertranswarp driveventilator tubeuniverse

Ranks and titles[]

bodyguardcaptaincommanderCommander-in-Chief of the Federation Starfleetcommodoredoctoremperorintendantmilitiamanresearcherscientist

Other references[]

16th centuryAge of HeroescenturyClass McontinentdayDominion Warfirst contactfleetforestFundamental Declarations of the Martian ColoniesgovernmentGreat Auction of '05historyjacketKansas InquisitionlanguagelogicMartian Revolutionmilitarymilitiamonthplanetplomeek souppocketPrime DirectivequadrantsoupspoonSuraktic MethodtechnologyTime of AwakeningtreatytreeUniform Code of Starfleet Justicewarweekyear


Related media[]

Stories featuring the mirror universe
Enterprise episode: "In a Mirror, Darkly" • prose: Age of the Empress • "Nobunaga"
Discovery episodes: "Into the Forest I Go" • "Despite Yourself" • "The Wolf Inside" • "Vaulting Ambition" • "What's Past Is Prologue" • "Terra Firma" • comics: Succession ("Issue 1" • "Issue 2" • "Issue 3" • "Issue 4")
The Original Series episode: "Mirror, Mirror" • comics: Hell's MirrorThe Mirror Universe Saga ("... Promises to Keep" • "Double Image" • "Deadly Reflection!" • "The Tantalus Trap!" • "Masquerade!" • "Behind Enemy Lines!" • "The Beginning of the End..." • "Homecoming...") • Fragile GlassMirror Images ("Issue 1" • "Issue 2" • "Issue 4" • "Issue 5") • "The Mirror, Crackedprose: Voyage to AdventureSpectreDark VictoryPreserverThe Sorrows of Empire • "Ill Winds" • "The Greater Good" • games: The Adventure GameShattered Universe
Kelvin timeline comics: Mirrored ("Part 1" • "Part 2") • "Parallel Lives, Part 2" • Live Evil ("Part 1" • "Part 2" • "Part 3")
The Next Generation comics: "Mirror Images, Issue 3" • Mirror Universe Collection (TNG - Mirror Broken comics: "Origin of Data", "Prelude", "Issue 1", "Issue 2", "Issue 3", "Issue 4", "Issue 5" • TNG - Through the Mirror comics: "Issue 1", "Issue 2", "Issue 3", "Issue 4", "Issue 5" TNG - Ripe for Plunder comics: "Chapter One", "Chapter Two", "Chapter Three", "Chapter Four", "Chapter Five" • TNG - Terra Incognita comics: "Issue 1", "Issue 2", "Issue 3", "Issue 4", "Issue 5", "Issue 6") • ST: The Mirror War: "Issue 0", "Issue 1", "Issue 2", "Issue 3", "Issue 4", "Geordi", "Issue 5", "Issue 6", "Issue 7", "Issue 8" • ST: Warriors of the Mirror War: "Data", "Geordi", "Sisko", "Troi" • prose: Dark MirrorThreeThe Worst of Both Worlds • "The Traitor" • "The Sacred Chalice" • "For Want of a Nail" • Rise Like Lions
Deep Space Nine episodes: "Crossover" • "Through the Looking Glass" • "Shattered Mirror" • "Resurrection" • "The Emperor's New Cloak" • comic: "Enemies & Allies" • prose: Dark PassionsWarpathSaturn's ChildrenFearful Symmetry • "A Terrible Beauty" • The Soul Key • "Freedom Angst" • Disavowed
Voyager prose: The Mirror-Scaled Serpent • "Bitter Fruit" • comic: "Mirrors & Smoke"
New Frontier comics: Turnaround ("Part I" • "Part II" • "Part III" • "Part IV" • "Part V") • prose: Cutting Ties • "Homecoming"
Klingon Empire prose: "Family Matters" Titan prose: "Empathy" Vanguard prose: "The Black Flag"
Miniseries and anthologies RPG sourcebook: Through a Glass, Darklycomics: The Mirror Universe SagaTurnaroundMirror Imagesprose: Mirror Universe TrilogyMirror Universe (Glass EmpiresObsidian AlliancesShards and Shadows)



Star Trek novels by William Shatner
Odyssey: The Ashes of Eden The Return Avenger
Mirror Universe: Spectre Dark Victory Preserver
Totality: Captain's Peril Captain's Blood Captain's Glory
The Academy: Collision Course


published order
Previous novel:
Vulcan's Heart
TOS novels Next novel:
The Eugenics Wars: The Rise and Fall of Khan Noonien Singh, Volume 1
chronological order
Previous Adventure:
Dark Victory
Part Two
Pocket Next Adventure:
Latent Image
Previous Adventure:
Dark Victory
Part Two
Voyages of the
USS Enterprise (NCC-1701-E)
Next Adventure:
The above chronology placements are based on the primary placement in 2375.
The Pocket Books Timeline places events from this story in six other timeframes:
Previous Adventure:
Badda-Bing, Badda-Bang
Chapters 5-11
Next Adventure:
Previous Adventure:
Think Tank
Chapters 12-18
Next Adventure:
A Song Well Sung
Previous Adventure:
Someone to Watch Over Me
Chapters 19-37
Next Adventure:
The Dogs of War
Previous Adventure:
Final Entry
18th entry
Chapter 38, Epilogue
Next Adventure:
Previous Adventure:
Almost... But Not Quite
Section 1
Chapter 39
Next Adventure:
Previous Adventure:
All Good Things...
The Ashes of Eden
Next Adventure:
The Fall of Terok Nor

French : Les Préservateurs, translated by Isabelle Troin-Joubaud. (Fleuve Noir)
German : Die Bewahrer, translated by Andreas Brandhorst. (Heyne)
Japanese : 栄光のカーク艦長 上・下, translated by Hiroshi Saito. (Hayakawa Bunko)

External links[]