All Books by Toby Jacobs

The Books

The Pure Fluid trilogy and its Origin lecture edition — together with ENTIFY and further works branching from the same foundation. Each book stands alone; together they map a single coherent world.

All Pure Fluid editions are available in paperback and e-book — Editions I and III include both PDF and EPUB; the Illustrated Edition (II) is EPUB only.

The Original Edition front coverThe Original Edition back cover

Front & back cover

Edition I

The Original Edition

Where it all began.

The most accessible entry point — written like spoken lectures, easy to read for anyone curious about the unified fluid theory.

  • Complete unified fluid theory
  • 15 chapters · 133 pages
  • Foundation of the entire model
£15.99paperback
£7.99e-book · PDF + EPUB
Buy the Books →
The Illustrated Edition front coverThe Illustrated Edition back cover

Front & back cover

Edition II

The Illustrated Edition

Theory becomes vision.

Totally new text — not a reprint of Edition I. A bridge between the ease of Edition I and the scientific depth of Edition III, with every chapter opened by a full-page poster of sacred-geometric, cosmic art.

  • Totally new text — a bridge between Edition I & III
  • 15 hand-crafted chapter posters inside
  • Premium printing · larger format
£23.99paperback
£12.99e-book · EPUB only
Buy the Books →
The Definitive Edition front coverThe Definitive Edition back cover

Front & back cover

Edition III · Recommended

The Definitive Edition

The complete map of creation.

The fully revised, expanded ontology — derived step by step from a single principle. Eight Parts, thirty-three chapters, foreword and introduction: the first complete physical and metaphysical synthesis in its mature, formalised form.

  • 33 chapters across 8 Parts · fully formalised
  • From substrate & vortices to cosmos, soul & return
  • The most scientifically rigorous presentation
£23.99paperback
£12.99e-book · PDF + EPUB
Buy the Books →
The Origin · Before the Trilogy

Where It All Began

A separate work — the seed from which Editions I, II and III grew.

Pure Fluid — Original Lecture Edition
Edition 0 · The Origin

Pure Fluid

Original Lecture Edition

Where the whole project began.

This is not a re-write. It is intentionally preserved close to the original spoken lectures — the closest surviving record of the ideas in their most direct and conversational form. It is less polished than the trilogy that grew out of it, and that is the point: it is a document of origin, the seed from which Editions I, II and III unfolded.

  • The original spoken lectures in written form
  • The direct, conversational root of the whole project
  • For readers who want to trace the ideas back to their source
£24.99paperback
£12.99e-book · PDF + EPUB · coming soon

The original lecture series is still available to watch on YouTube.

Watch the lectures →
Collector Bundles

Go Deeper · Save More

The Complete Trilogy Bundle

Best Value

Edition I + Edition II + Edition III together

  • The Original Edition (I)
  • The Illustrated Edition (II)
  • The Definitive Edition (III)
£55.55
paperback bundle
Save £4.42
£29.99
e-book bundle · PDF + EPUB
Save £3.98
Buy the Books →
Also by Toby Jacobs

The Architecture of Trust.

A separate work — a first-principles derivation of civilisation itself. From the six principles of trust to the technology that makes them real.

The Architecture of Trust cover
ENTIFY

The Architecture of Trust

Why a coherent civilisation is now possible

Twenty-seven chapters. Five parts. One argument.

A calm, first-principles derivation of civilisation itself — from the six principles of trust (Identity, Authenticity, Ownership, Exchange, Value, Incentives) to the technology that makes them real, and the sovereign economy that emerges when the architecture is honest.

  • 27 chapters across 5 Parts
  • For anyone — no technical background required
  • Unified Aether Press · London, 2026
£24.99paperback
£14.99e-book · PDF + EPUB
Ready When You Are

Buy the Books

All three editions are available now in paperback and e-book (PDF + EPUB together).

All purchase options on one page