📕 Self-published

Books

Important: unless explicitly marked “color edition”, paperback editions shown with interior previews are printed in black and white; preview images remain in color on screen for readability.

My self-published books and essays, available on Amazon

Understand the past · Illuminate the present · Prepare the future

Essays & Society

FRENCH ONLYROBOTIQUE HUMANOÏDE : Prospective d’une révolution technologique

FRENCH ONLY

ROBOTIQUE HUMANOÏDE : Prospective d’une révolution technologique

A major prospective work on humanoid robotics, embodied AI, industry, defence, sovereignty and space exploration. French edition currently available.

Open the French book page →
FRENCH ONLYException – Exclusion

FRENCH ONLY

Exception – Exclusion

An English presentation of Exception – Exclusion, a personal and institutional journey through ambition, exclusion, public service, work and the transformation brought by artificial intelligence.

FRENCH ONLY
FRENCH ONLY What If Knowledge Went Dark?

FRENCH ONLY

What If Knowledge Went Dark?

An English presentation of What If Knowledge Went Dark?, examining the fragility of human knowledge, lost skills and the growing dependence on digital systems and artificial intelligence.

FRENCH ONLY
FRENCH ONLY AI: How to Transform France

FRENCH ONLY

AI: How to Transform France

An English overview of AI: How to Transform France, a reform program using artificial intelligence to simplify administration, improve public services and strengthen national efficiency.

FRENCH ONLY
The Limits of Democracy

ENGLISH EDITION

The Limits of Democracy

An English presentation of The Limits of Democracy, exploring representation, political selection, institutional incentives and the gap between democratic ideals and actual decision-making.

ENGLISH EDITION
FRENCH ONLY The Retirement Trap

FRENCH ONLY

The Retirement Trap

An English presentation of The Retirement Trap, explaining demographics, pay-as-you-go financing, long-term sustainability and possible structural reforms of the French pension system.

FRENCH ONLY
Plan de Rupture — The Foundational Dossier

FULL EDITION IN FRENCH

Plan de Rupture — The Foundational Dossier

English overview of a free French dossier on State reform, public spending, administrative simplification and digital transformation.

FULL EDITION IN FRENCH
FRENCH ONLY Where Did Our Money Go?

FRENCH ONLY

Where Did Our Money Go?

A documented inquiry into public spending, overruns, failed controls and the mechanisms that allow responsibility to dissolve between institutions.

FRENCH ONLY
FRENCH ONLY The Organized Decline of France

FRENCH ONLY

The Organized Decline of France

An English presentation of The Organized Decline of France, examining public policy failures, institutional drift, economic weakening and the mechanisms behind national decline.

FRENCH ONLY
FRENCH ONLY Our True Origins?

FRENCH ONLY

Our True Origins?

An English presentation of Our True Origins?, exploring human origins through paleogenetics, archaeology and the evidence provided by ancient DNA.

FRENCH ONLY

🚀 Mars Universe

Arcadia Cycle — prospective science-fiction novels

This is where forward-looking anticipation begins: the colony is treated as a set of human, technical and political constraints. ARCADIA separately sets out the architecture of the first Martian city, while the four novels and their illustrated companions follow its transformation.
Arcadia — Manual of the First Martian City

ENGLISH EDITION

Arcadia — Manual of the First Martian City

The English technical companion to I Walked on Mars: a systems study of siting, life support, habitats, logistics, safety, industry and Martian governance.

ENGLISH EDITION
I Walked on Mars — Book 1: The Great Departure

ENGLISH EDITION

I Walked on Mars — Book 1: The Great Departure

The first novel in David Salvan’s realistic Mars quadrilogy: selection, training, human relationships and the irreversible departure of the first settlers.

ENGLISH EDITION
I Walked on Mars — Book 2: Deployment

ENGLISH EDITION

I Walked on Mars — Book 2: Deployment

Book 2 of David Salvan’s Mars quadrilogy: landing at Arcadia Planitia, deploying life-support systems and building the first year of a permanent human settlement.

ENGLISH EDITION
I Walked on Mars — Book 3: They Are Coming

ENGLISH EDITION

I Walked on Mars — Book 3: They Are Coming

Book 3 of David Salvan’s Mars quadrilogy: Arcadia expands, new settlements appear and survival becomes inseparable from geopolitics, authority and solidarity.

ENGLISH EDITION
I Walked on Mars — Book 4: Enough Is Enough!

ENGLISH EDITION

I Walked on Mars — Book 4: Enough Is Enough!

Book 4 of David Salvan’s I Walked on Mars series: the political, social and strategic conclusion of Arcadia’s transformation into a distinct Martian society.

ENGLISH EDITION

📸 Author’s Vision Collection

Photo books that give faces and settings to the novel universe

I Walked on Mars — Book 1 — The Author’s Vision

ENGLISH EDITION

I Walked on Mars — Book 1 — The Author’s Vision

An illustrated companion to the first novel, showing selection, training, the formation of the crew and the human relationships that precede departure for Mars.

ENGLISH EDITION
I Walked on Mars — Book 2 — The Author’s Vision

ENGLISH EDITION

I Walked on Mars — Book 2 — The Author’s Vision

A visual journey through landing, deployment and the first year of building a permanent settlement on Mars.

ENGLISH EDITION
I Walked on Mars — Book 3 — The Author’s Vision

ENGLISH EDITION

I Walked on Mars — Book 3 — The Author’s Vision

The illustrated author’s vision for I Walked on Mars — Book 3, following the expansion of Arcadia, the arrival of new settlers and the growing geopolitical tensions around Mars.

ENGLISH EDITION
I Walked on Mars — Book 4 — The Author’s Vision

ENGLISH EDITION

I Walked on Mars — Book 4 — The Author’s Vision

The visual conclusion of the Arcadian cycle, from public institutions and family choices to strategic confrontation and the emergence of a Martian people.

ENGLISH EDITION
Books to understand yesterday’s world, act in today’s, and help build tomorrow’s.

Choose a book by the question you want to explore

A useful bibliography should do more than sort books by date or collection. It should help readers start from their own question. Someone wondering about public spending does not begin in the same place as someone trying to understand democracy, pensions, artificial intelligence, the loss of knowledge or the settlement of Mars. This page therefore connects the books by the problems they explore, so readers can build a coherent path without already knowing every title.

The essays about France form a connected body of work: one examines the architecture of the State, another public spending, another pensions, another industrial sovereignty, and another the uses of artificial intelligence. They are not presented as identical answers. Their value lies precisely in allowing several angles on the same crisis to be compared: institutions, public money, technology, industry and the collective capacity to decide.

The Mars universe follows a different logic. The novels portray a society being built, while ARCADIA and the illustrated volumes explore architecture, technical choices and the author’s vision more directly. Readers can therefore enter through the story, engineering or imagery, then move between formats without the bibliography confusing their purposes.

Books extended by a documentary website, not replaced by it

Delta-Sierra is not intended to reproduce commercial books for free. The site publishes standalone dossiers, explanations, calculations, sources and context that help readers understand a subject before deciding whether to buy a book. When free reading has explicitly been made available for a work or public edition, it is clearly identified; otherwise, excerpts remain limited and previews are used only to present the structure and style.

This separation protects both the editorial value of the books and the public usefulness of the site. A page devoted to a book should answer questions an Amazon listing does not: why the book exists, which debate it enters, which hypotheses it examines, who it is for, how it connects with other texts, and which resources on the site extend the discussion. Amazon remains the purchase channel; Delta-Sierra provides the intellectual context.

The links work in both directions. France chapters point to books when they genuinely deepen the subject, and book pages point back to the corresponding public dossiers. This architecture avoids repetitive sales prompts: a book appears where it is relevant, like a bibliography, while readers can continue exploring the topic freely through the France knowledge base.

Why buy one of my books?

My books are self-published, without a publishing house, advertising or subsidy. Each purchase directly funds the production of future work and helps me continue publishing open-access articles and dossiers alongside the books.

If you want to support this work without buying a book, you can make a one-time or monthly contribution. Every contribution helps fund hosting, digital tools, editorial production and distribution.