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Cover of The Portable Door by Tom Holt
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The Portable Door

Tom Holt

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Similar in plot structure

These books are ranked using the plot structure labels extracted for The Portable Door.

Plot structure labels used: slow burn, gradual reveal, mystery unraveling, late plot arrival, second-half momentum, setup-heavy, withheld information, revelation-driven

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

Cover of The Evening and the Morning and the Night by Octavia E. Butler

The Evening and the Morning and the Night

Octavia E. Butler · 1991 · Pulphouse Short Story Paperbacks

A hereditary disease born from a cancer cure forces one young woman to confront stigma, control, and survival.

Semantic match: ranked by plot structure

Distance: 0.0836

Cover of The People's Library by Veronica G. Henry

The People's Library

Veronica G. Henry · 2026

In near-future Cleveland, a reluctant librarian must uncover the truth behind a digital library of preserved minds.

Semantic match: ranked by plot structure

Distance: 0.0996

Cover of Ring Around the Sun by Clifford D. Simak

Ring Around the Sun

Clifford D. Simak · 1992

A writer uncovers why forever products and vanishing people are unraveling the economy, identity, and reality itself.

Semantic match: ranked by plot structure

Distance: 0.1062

Cover of The Last Monument by Michael C. Grumley

The Last Monument

Michael C. Grumley · 2020 · Monument

An NTSB investigator and an anthropologist uncover a 60-year-old letter that sends them chasing a world-changing secret.

Semantic match: ranked by plot structure

Distance: 0.1111

Cover of Making Space by R.F. Kuang

Making Space

R.F. Kuang · 2025 · The Time Traveler's Passport

A childless woman finds a mysterious boy in the woods, and caring for him pulls her into a dark time-travel mystery.

Semantic match: ranked by plot structure

Distance: 0.1118

Cover of Танець недоумка by Ілларіон Павлюк

Танець недоумка

Ілларіон Павлюк · 2019

A broke biologist joins a supposedly low-risk mission to a distant planet, only to face fear, secrets, and alien danger.

Semantic match: ranked by plot structure

Distance: 0.1123

Cover of The Mote in God's Eye by Larry Niven

The Mote in God's Eye

Larry Niven, Jerry Pournelle · 2011 · Moties

Humanity’s first contact with a secretive alien civilization becomes a tense mix of diplomacy, mystery, and imperial politics.

Semantic match: ranked by plot structure

Distance: 0.1127

Cover of A Palace Near the Wind by Ai Jiang

A Palace Near the Wind

Ai Jiang · 2025 · Natural Engines

A tree-like princess enters a human palace for a political marriage, only to uncover hidden truths and a deeper fight for her people.

Semantic match: ranked by plot structure

Distance: 0.1154

Cover of When the Sky Fell on Splendor by Emily Henry

When the Sky Fell on Splendor

Emily Henry · 2019

After a small-town tragedy, a grief-bound teen friend group films a sky anomaly—and wakes up to a reality-bending mystery.

Semantic match: ranked by plot structure

Distance: 0.1169

Cover of The Second Sleep by Robert   Harris

The Second Sleep

Robert Harris · 2019

A young priest's routine funeral in a remote village opens into a forbidden mystery about a lost civilization and his own world.

Semantic match: ranked by plot structure

Distance: 0.1170

Cover of The Madman's Daughter by Megan Shepherd

The Madman's Daughter

Megan Shepherd · 2013 · The Madman’s Daughter

A Victorian orphan follows rumors about her missing mad-scientist father to a remote island of horrors and secrets.

Semantic match: ranked by plot structure

Distance: 0.1171