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The Entropy Effect

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The universe has less than a century left… unless Spock can change history.The Entropy Effect was a Star Trek: The Original Series novel written by Vonda N. McIntyre. The book was the second Star Trek novel ever published by Pocket Books, and the first with an original story.


The Enterprise is summoned to transport a dangerous criminal from a starbase prison to a rehabilitation center: brilliant physicist Dr. Georges Mordreaux, accused of promising to send people back in time - then killing them instead.
But when Mordreaux escapes, bursts onto the bridge and kills Captain Kirk, Spock must journey back in time to avert disaster - before it occurs.
Now there's more at stake than just Kirk's life. Mordreaux's experiments have thrown the entire universe into a deadly time warp. Spock is fighting time...and the universe is closing in on itself with the relentless squeeze of…
The Entropy Effect.


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Beranardi al AurigaJenniver AristeidesMaximo Alisaunder ArrunjaIan BraithewaiteChristine ChapelPavel ChekovMandala FlynnHunterJames T. KirkLeeLeonard McCoyGeorges MordreauxMreeNeonIlya NikolaievichPerimJanice RandMontgomery ScottBeatrice SmithSnnanagfashtalliSpockHikaru SuluNyota Uhura
Referenced only 
Pallas AtheneLewis CarrollCasanovaD'ArtagnanSamuel R. DelaneyDesmoulinsDevilAlexander DumasAlbert EinsteinFriendlyGodAmanda GraysonHomerDon JuanGeorge KirkPeter KirkMinervaRoger PenroseSarekAlfred TennysonFrank J. TiplerVekesh

Starships and vehiclesEdit

USS Aerfen (patrol fighter) • USS Enterprise (Constitution-class) • Mitra


Aleph PrimeAleph systemArcturusEarthFederation HeadquartersGamma Draconis VIIGanjitsuHellMakropyriosRehabilitation Colony 7Shinpai

Races and culturesEdit


States and organizationsEdit

Flat Earth SocietyRomulan Star EmpireStarfleetStarfleet AcademyUnited Federation of Planets

Other referencesEdit

Academy Staranachronistic eventAncient Modern Englishandroidarmchairastronomical unitBabel-17beardbeard suppressantbedbeeBioelectronic crystalBlack PlaguebootbrandybrassbreadchessclonecoffeecommunicatorcouchThe Count of Monte Cristodojodolphinduffel bagEEGenergy cuffentropyESPfencingfighterflimsiesfoilFrankensteinfrenzygiglovegraniteG-type starhara-kirihawkHawking black holeHawking radiationheme carrierhypermorphic botulismincipient novaironIslandiaJapanesejudoKentucky bourbonknifeleopardloonmemory cassettemilkmoustachenaked singularityOld Calendarpaperpartnership familypencilphaser riflephoenix eaglepirateplasticreaderrehabilitation colonyringrubyRussiansabresashSibyl Sue BluesilksilverSpiderwebSputnik 1StegosaurusThe Tale of Genjitemporal displacementThe Three MusketeersThe Time MachineTyrannosaurus rexultimate codeuniformThe VirginianVulcan meditation stonewhiskeywind-riderwinewolfX-rayyogayogi




published order
Previous novel:
Star Trek: The Motion Picture\
TOS numbered novels Next novel:
The Klingon Gambit
chronological order
Previous Adventure:
The Final Nexus
Pocket Next Adventure:
The Final Reflection
The above chronology placements are based on the primary placement in 2270.
The Pocket Books Timeline places events from this story in one other timeframe:
Previous Adventure:
Chapter 12
Chapter 1, Section 12
Next Adventure:
Voyage to Adventure
Time travel

External linkEdit

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