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Cover of The Weight of Memories by Liu Cixin
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The Weight of Memories

Liu Cixin

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Similar in characterization

These books are ranked using the characterization labels extracted for The Weight of Memories.

Characterization labels used: scientist, mother, fetus, unborn narrator, experimental subject

Focused on “astronauts” where exact label matches exist.

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

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Cover of If We Cannot Go at the Speed of Light by Kim Cho-yeop

If We Cannot Go at the Speed of Light

Kim Cho-yeop · 2026

Seven Korean speculative stories explore space, aliens, and future tech through intimate questions of identity, grief, and connection.

Semantic match: ranked by characterization

Distance: 0.2068

Cover of The Screwfly Solution by Raccoona Sheldon

The Screwfly Solution

Raccoona Sheldon, James Tiptree Jr. · 1977

A fragmented sci-fi horror tale follows a worldwide surge of violent misogyny, ending in a chilling alien explanation.

Semantic match: ranked by characterization

Distance: 0.2058

Cover of How High We Go in the Dark by Sequoia Nagamatsu

How High We Go in the Dark

Sequoia Nagamatsu · 2022

An interconnected future-history of a global plague unleashed by melting permafrost, tracing grief, survival, and hope.

Semantic match: ranked by characterization

Distance: 0.2079

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 characterization

Distance: 0.2120

Cover of The Last Animal by Ramona Ausubel

The Last Animal

Ramona Ausubel · 2023

A grieving scientist and her two teen daughters chase a mammoth de-extinction experiment across the globe.

Semantic match: ranked by characterization

Distance: 0.2231

Cover of Factoring Humanity by Robert J. Sawyer

Factoring Humanity

Robert J. Sawyer · 1998

A psychologist decoding alien signals and her AI-researching estranged husband confront a breakthrough that could remake humanity.

Semantic match: ranked by characterization

Distance: 0.2276

Cover of Hominids by Robert J. Sawyer

Hominids

Robert J. Sawyer · 2002 · Neanderthal Parallax

A Neanderthal scientist crosses into modern Canada, sparking a cross-cultural collision with a parallel human world.

Semantic match: ranked by characterization

Distance: 0.2313