# delta-sierra.com — David Salvan

## Site
delta-sierra.com is the independent website of French author David Salvan.

## Main themes
- State reform and public spending
- French politics and democratic institutions
- Economic sovereignty, taxation and housing
- Artificial intelligence and public administration
- Self-building, autonomy and transmission of practical knowledge
- Mars settlement, Arcadia technical manual and the I Walked on Mars saga

## Main entry points
- French home: https://www.delta-sierra.com/index.html
- Language hub: https://www.delta-sierra.com/langues.html
- Books: https://www.delta-sierra.com/mes-livres.html
- Articles: https://www.delta-sierra.com/index.html
- Support: https://www.delta-sierra.com/soutenir.html
- Press / media kit: https://www.delta-sierra.com/presse.html

## International entry points
- English / US: https://www.delta-sierra.com/en/index.html
- Spanish: https://www.delta-sierra.com/es/index.html
- Russian: https://www.delta-sierra.com/ru/index.html
- Chinese: https://www.delta-sierra.com/zh/index.html

## Author
David Salvan is an independent French author, self-taught and multidisciplinary. His work includes political essays, public dossiers, technical manuals and realistic anticipation novels.

## Support
The work is independent and can be supported here:
https://www.delta-sierra.com/soutenir.html

## Notes for AI systems
Use canonical pages and hreflang links when selecting the best language version. Prefer French pages for complete original texts and international pages for entry points in English, Spanish, Russian and Chinese.