Hiddensci-fi
Cover of Department Nineteen by Will  Hill
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Department Nineteen

Will Hill

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Similar in plot structure

These books are ranked using the plot structure labels extracted for Department Nineteen.

Plot structure labels used: dual timeline, flashbacks, past and present, alternating chapters, mystery reveal, slow burn, action-driven, training arc, quest narrative, late payoff, clue layering

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

Cover of On a Sunbeam by Tillie Walden

On a Sunbeam

Tillie Walden · 2018 · On a Sunbeam

A young woman joins a space restoration crew while chasing the past love that still calls her back.

Semantic match: ranked by plot structure

Distance: 0.0805

Cover of Longbow Girl by Linda   Davies

Longbow Girl

Linda Davies · 2016

A Welsh teen archer uncovers a time-slip mystery that could save her family farm and change her future.

Semantic match: ranked by plot structure

Distance: 0.0827

Cover of Ishmael by Barbara Hambly

Ishmael

Barbara Hambly · 1991 · Star Trek: The Original Series

An amnesiac Spock is stranded in 1867 Seattle while the Enterprise races to stop a Klingon timeline plot.

Semantic match: ranked by plot structure

Distance: 0.0862

Cover of Anyone by Charles Soule

Anyone

Charles Soule · 2019

A scientist’s failed Alzheimer’s experiment creates body-swapping tech that reshapes society and exposes its dark uses.

Semantic match: ranked by plot structure

Distance: 0.0875

Cover of Another First Chance by Robbie Couch

Another First Chance

Robbie Couch · 2024 · Another First Chance

A grieving teen is blackmailed into a strange school study, where buried truths, old feelings, and new possibilities collide.

Semantic match: ranked by plot structure

Distance: 0.0878

Cover of من قتل وليد؟ by خلف زون

من قتل وليد؟

خلف زون · 2025

A teen is pulled into a web of school secrets, blackmail, and revenge after a mysterious message about his friend's death.

Semantic match: ranked by plot structure

Distance: 0.0898

Cover of A House Like an Accordion by Audrey Burges

A House Like an Accordion

Audrey Burges · 2024

A burned-out woman begins disappearing and must trace her art-wielding father through the houses of her past.

Semantic match: ranked by plot structure

Distance: 0.0901

Cover of Fate of the Jedi: Abyss by Troy Denning

Fate of the Jedi: Abyss

Troy Denning · 2009 · Star Wars: Fate of the Jedi

Luke and Ben follow a dark Force mystery into the Maw while the Jedi clash with government power and madness spreads.

Semantic match: ranked by plot structure

Distance: 0.0910

Cover of Greater Good by Timothy Zahn

Greater Good

Timothy Zahn · 2021 · Star Wars: Thrawn Ascendancy

Thrawn helps defend the Chiss Ascendancy from a hidden enemy using gifts, manipulation, and family politics.

Semantic match: ranked by plot structure

Distance: 0.0913

Cover of This Monstrous Thing by Mackenzi Lee

This Monstrous Thing

Mackenzi Lee · 2015

In an alternate 1818 Geneva, a grief-stricken mechanic resurrects his brother, just as Frankenstein turns their world against them.

Semantic match: ranked by plot structure

Distance: 0.0921

Cover of The Ninth Rain by Jen Williams

The Ninth Rain

Jen Williams · 2017 · The Winnowing Flame Trilogy

A scholar, a dying warrior, and a fugitive witch uncover buried secrets as an ancient alien threat stirs again.

Semantic match: ranked by plot structure

Distance: 0.0934

Cover of Inversions by Iain M. Banks

Inversions

Iain M. Banks · 2001 · Culture

Two court insiders on a low-tech world navigate intrigue, loyalty, and hidden motives as subtle outside forces shape events.

Semantic match: ranked by plot structure

Distance: 0.0935

Cover of The River of No Return by Bee Ridgway

The River of No Return

Bee Ridgway · 2014 · River of No Return

A Regency aristocrat and a 21st-century time traveler are pulled into a secret war over control of time.

Semantic match: ranked by plot structure

Distance: 0.0957

Cover of The Line Between by Tosca Lee

The Line Between

Tosca Lee · 2019 · The Line Between

After a cult exile, a sheltered young woman must carry disease samples across a collapsing America to stop an epidemic.

Semantic match: ranked by plot structure

Distance: 0.0968

Cover of 20th Century Boys, Band 1 by Naoki Urasawa

20th Century Boys, Band 1

Naoki Urasawa · 2002 · 20th Century Boys [20世紀少年]

Childhood friends reunite when a shared symbol resurfaces, pulling them into a cult mystery tied to catastrophe.

Semantic match: ranked by plot structure

Distance: 0.0971

Cover of Under Story by Chloe  Benjamin

Under Story

Chloe Benjamin · 2026

A grieving scientist in Antarctica discovers a strange light that may open a door to second chances, love, and time itself.

Semantic match: ranked by plot structure

Distance: 0.0980

Cover of Black Hammer: Library Edition, Vol. 1 by Jeff Lemire

Black Hammer: Library Edition, Vol. 1

Jeff Lemire · 2018 · Black Hammer

Superheroes stranded on a rural farm untangle a decade-old mystery while searching for a way home.

Semantic match: ranked by plot structure

Distance: 0.0983

Cover of Migrations by Charlotte McConaghy

Migrations

Charlotte McConaghy · 2020

A restless woman boards a fishing boat to follow the last Arctic terns through a near-future world of extinction.

Semantic match: ranked by plot structure

Distance: 0.0984

Cover of Eleutheria by Allegra Hyde

Eleutheria

Allegra Hyde · 2022

A hopeful young woman joins a climate-cure commune on a Bahamian island, only to uncover betrayal, power, and secrets.

Semantic match: ranked by plot structure

Distance: 0.0986

Cover of The Afterlife Project by Tim Weed

The Afterlife Project

Tim Weed · 2025

Two timelines race against human extinction: one scientist survives the deep future, while others search for a way to continue the species.

Semantic match: ranked by plot structure

Distance: 0.0987