The Substrate: The Companion Book, Coming Christmas 2026
A new non-fiction book from the world of the Ulysses Universe. The Substrate argues that reality is computation, then attacks its own case as hard as any critic would. Hardback and Christmas box set in December 2026, standalone paperback in early 2027.
A book the fiction was already writing
The Ulysses Universe trilogy has been arguing something underneath the space opera the whole time.
When the Sirens speak in Book 2, they say it almost outright: "We are the truth that lives in the mathematics of the universe, the patterns that emerge when complexity reaches critical mass." The Pattern and the Shell. The Architect crystalline data. A reality where attention shapes outcome and consciousness outlives the body that carried it. None of that is decoration. It's a worldview, worked out through story across three books.
The Substrate is that worldview stated plainly, as an argument, with the evidence laid out.
What it argues
Reality is not made of matter that happens to obey mathematical laws. It's mathematical structure, executing. Space and time are settings, not the stage. Matter is a stable pattern in an underlying information field. Your brain is an interface, not the source of you.
That's a large claim, and the book treats you as an equal while making it. It builds the strongest case it can, drawing on physics done by physicists for physics reasons, on biology, on the long unsolved problem of consciousness. Then it does the thing most books in this lane avoid. It turns round and attacks its own argument as hard as any sceptic would, and tells you exactly what would prove the whole thing wrong.
No mysticism. No credentials on display. An operator's investigation of the largest system there is.
How to read it alongside the trilogy
This is a companion thesis, not a tie-in. Read the trilogy and you live inside the worldview. Read The Substrate and you see the case for why it might be true, weaknesses and all. Read both and you have the same idea in two registers, each sharpening the other.
You can start with either.
When you can get it
The standalone hardback arrives in December 2026, in time for Christmas.
The Ulysses Universe Christmas box set arrives at the same time, and The Substrate paperback is included free, bundled in the box alongside the trilogy. Buy the box, get the companion book for nothing.
A standalone paperback follows in early 2027.
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Key takeaways
- The Substrate is a new non-fiction book set in the same worldview as the Ulysses Universe trilogy. It argues the metaphysics the fiction dramatises.
- It is a companion thesis, not a tie-in. The trilogy shows what living inside the worldview feels like. The Substrate argues why the worldview might be correct, then stress-tests that argument.
- Standalone hardback and the Ulysses Universe Christmas box set both arrive December 2026. Buy the box set and the paperback is included free.
- A standalone paperback follows in early 2027.
