A.H. OSTMO

Science Fiction Author

Book One

The Alaster Trilogy: Book One

In the crushing depths of the ocean, Gia Hamiltoni works at a deep-sea research facility where surveillance is constant and privacy is a myth. When she discovers someone is watching her every move, she must navigate a labyrinth of deception to uncover the truth lurking beneath the waves.

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Coming Soon

The Alaster Trilogy: Book Two

The depths hold more secrets than Gia ever imagined. As the conspiracy unravels, she must confront the true nature of the facility and the dark experiments hidden in the abyss.

Science Fiction Coming 2025

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Dive Into the Depths

Where pressure crushes more than just steel, and the darkness hides more than just fish.

A.H. Ostmo weaves tales of technological terror and human resilience in the most inhospitable environment on Earth. The Alaster Trilogy explores what happens when humanity's reach exceeds its grasp, deep beneath the waves where no one can hear you scream.

Psychological Thriller

Mind-bending narratives that question reality itself

Hard Science Fiction

Grounded in real deep-sea technology and research

Human Drama

Characters facing impossible choices in isolation