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The Sagan Diary

John Scalzi

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Similar in premise + setting

These books are ranked using the premise + setting labels extracted for The Sagan Diary. Books rank higher when they are close on every selected axis.

Premise labels used: soldier diary, internal monologue, character portrait, retirement transition, body transfer, life reflection, warrior introspection, private thoughts, consciousness record

Setting labels used: future, spacefaring society, military culture, interplanetary war, colonial world, science fiction universe, post-combat transition, enhanced soldier world

This does not mean the books share the same plot, setting, quality, or difficulty. It means their premise + setting embeddings are close.

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New Blood

Matt Forbeck · 2015 · Halo

A battle-hardened ODST recounts his career as war gives way to new threats and a chance to become a Spartan.

Why this is here

Premise labels: military recruitment · postwar transition · soldier backstory · special forces · elite warrior program · career retrospective · team loyalty · human conflict

Setting labels: space opera · future war · postwar setting · military setting · interplanetary conflict · humanity vs aliens · Earth · space colonies · post-Covenant War

Semantic match: ranked by premise + setting

Distance: 0.1765

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Cyborg Legacy

Lindsay Buroker · 2017 · Fallen Empire

A former cyborg soldier turned repo man teams up with his old commander to hunt a killer targeting ex-corps veterans.

Why this is here

Premise labels: post-war reintegration · cyborg soldier · serial murder mystery · former soldier · investigation · reluctant alliance · outcast protagonist · redeeming past

Setting labels: post-war future · spacefaring setting · militarized future · fallen empire aftermath · post-conflict society · fictional universe

Semantic match: ranked by premise + setting

Distance: 0.1894

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Toll of Honor

David Weber · 2024 · Honorverse

An Honorverse interquel revisits key wartime events through new eyes while a wounded officer finds her place in the fleet.

Why this is here

Premise labels: alternate viewpoints · backstory expansion · war backstory · duel aftermath · frontline operations · career aftermath · political fallout

Setting labels: spacefaring future · interstellar war · naval setting · military academy · starship setting · planetary politics · wartime homefront

Semantic match: ranked by premise + setting

Distance: 0.1968

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Recruit

Jonathan P. Brazee · 2014 · The United Federation Marine Corps

A poverty-stricken young man joins a future Marine Corps and is forged through training, combat, and service.

Why this is here

Premise labels: Marine enlistment · poverty escape · boot camp · first deployment · coming of age · identity formation · military career

Setting labels: distant future · spacefaring future · interstellar military · galactic pirates · colonized worlds

Semantic match: ranked by premise + setting

Distance: 0.2007

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Ghostmaker

Dan Abnett · 2000 · Gaunt's Ghosts

A frontline Imperial Guard regiment faces a new campaign while flashbacks reveal how its soldiers became the Ghosts.

Why this is here

Premise labels: military unit backstory · linked character vignettes · frontline soldiers · wartime trauma · regimental history

Setting labels: jungle world · war zone · frontline campaign · militarized future · far future · interplanetary war · grimdark future

Semantic match: ranked by premise + setting

Distance: 0.2020

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Revenant Gun

Yoon Ha Lee · 2018 · The Machineries of Empire

An amnesiac young general is used in a fractured empire’s last power struggle, while rivals and allies race to stop a tyrant.

Why this is here

Premise labels: amnesiac soldier · revenant body · fractured empire · factional war · calendrical warfare · reluctant weapon · resurrected general · identity crisis · command under duress

Setting labels: far future · intergalactic empire · space warfare · fractured polity · post-rebellion · militarized society · alien species · spacefaring civilization · fictional future

Semantic match: ranked by premise + setting

Distance: 0.2024

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Time Enough for Love

Robert A. Heinlein · 2021 · The World as Myth

An immortal man recounts his centuries-spanning life while his captors try to keep him alive long enough to finish.

Why this is here

Premise labels: immortal protagonist · life story · framed memoir · time travel · future history · extended lifespan · collected wisdom · spacefaring life · family lineage

Setting labels: far future · multiple worlds · interstellar · spacefaring society · future Earth · time travel · rejuvenation clinic · colony world · early 20th century · World War I · future history

Semantic match: ranked by premise + setting

Distance: 0.2070

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Hullmetal Girls

Emily Skrutskie · 2018

Two teens become cyborg soldiers on a starship fleet and must survive training, secrets, and a brewing rebellion.

Why this is here

Premise labels: cyborg soldier · rebel uprising · search for a new home · bodily autonomy · memory loss · family sacrifice · class divide

Setting labels: generation ship · fleet of starships · far future · post-Earth · spacefaring society · caste system · militarized society · dystopian future

Semantic match: ranked by premise + setting

Distance: 0.2130

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The Never Ending Sacrifice

Una McCormack · 2009 · Star Trek: Deep Space Nine

A DS9 tie-in follows a Cardassian war orphan’s life across occupation, war, and change, seen from inside Cardassia.

Why this is here

Premise labels: coming of age · outsider perspective · war aftermath · cultural immersion · identity conflict · found family · political upheaval · return home · civilian perspective

Setting labels: Cardassia · Bajor · Dominion War era · post-Occupation · postwar reconstruction · spacefaring setting · alien society · war-torn world · militarized society · canonical universe

Semantic match: ranked by premise + setting

Distance: 0.2159

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The Ghost Brigades

John Scalzi · 2007 · Old Man's War

A cloned special-ops soldier races to stop an alien alliance while his maker’s buried memories begin to surface.

Why this is here

Premise labels: genetically engineered soldiers · cloned soldier · consciousness transfer · traitor hunt · special forces · alien alliance · space warfare · identity crisis · rogue scientist

Setting labels: spacefaring future · interstellar conflict · colonial military · hostile universe · space colonies · alien civilizations · military science fiction future

Semantic match: ranked by premise + setting

Distance: 0.2178

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Firebird

Kathy Tyers · 1999 · Firebird

A condemned princess is captured in wartime and forced to choose between her culture’s death code and a new life of faith and love.

Why this is here

Premise labels: suicidal heir · enemy captivity · conversion journey · interplanetary war · forbidden romance · faith crisis · identity shift · duty versus life

Setting labels: interplanetary · space war · fictional planets · future setting · alternate-universe Christianity · galactic civilization · militarized society · dystopian culture · royal court

Semantic match: ranked by premise + setting

Distance: 0.2192

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Starship Troopers

Robert A. Heinlein · 1987

A recruit’s path through future boot camp and interstellar war becomes a debate over duty, citizenship, and violence.

Why this is here

Premise labels: military training · citizenship and service · alien war · soldier coming-of-age · future military state

Setting labels: future Earth · interplanetary war · space warfare · military society · authoritarian state · military academy · far future

Semantic match: ranked by premise + setting

Distance: 0.2238

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