Scary sci-fi books
A scary sci-fi bookAbout the edge of consciousness
All Systems Nominal is a scary sci-fi book for readers who like their horror quiet, philosophical, and impossible to shake. No monsters. No jump scares. Just the slow, certain realization that the crew is fine — and that is the worst possible news.
What scary sci-fi books do best
The best scary sci-fi books do not rely on creatures crawling through vents. They use distance, isolation, and the limits of human biology to ask what we are when the universe stops answering back.
On the deep-space research vessel Meridian, the instruments read green. The biometrics stay nominal. But the crew begins to change in ways no scanner can name. Their stories grow shorter. Their songs stop mid-note. They perform competence with inhuman precision.
This is the territory of cosmic horror and psychological science fiction: the dread that comes not from what is chasing you, but from what you might already be becoming.
All Systems Nominal sits in that intersection. It is a love story, a mystery, and a horror story about the one thing we cannot see from the inside: our own consciousness.
Where this novella belongs

The night before she leaves, Yael makes a promise. Tomás holds it like a stone in a stream.
When the Meridian crosses into deep space, something begins to change. Not the instruments — those read green. Not the biometrics — those stay nominal. Something quieter. The crew is fine. The crew is healthy. The crew is performing all functions within expected parameters.
In a sealed lab eleven floors below the galleria, quantum physicist Elara Voss watches the numbers and knows what the numbers cannot say.
Why the science matters
Claus Pedersen is a Danish writer and independent researcher based in Aarhus. Alongside his fiction, he develops speculative cosmological frameworks exploring the nature of consciousness, the structure of spacetime, and the boundaries of physical reality — work that informs the world of All Systems Nominal without ever appearing in it directly. By day he works in B2B technology and digital commerce, which has taught him that the most interesting questions are always the ones the instruments were not designed to ask.
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