Books · Evidence · Inquiry
The book matters.
Its relationships matter.
Explore the books you own. Compare ideas, follow questions across your library, and create something from what you discover—with the sources in view.
In development. This site offers prepared examples.
Conceptual book artwork, separate from the product interface.
A question to begin with
Why leave the loveliest
place in the world?
A beautiful island. Someone who wants to go home. Follow one question through six books, and see how a passage can change the question itself.
- Read a passage in its context.
- Examine a connection—and what limits it.
- Keep, question or develop a reading of your own.
A prepared demonstration, not a live AI response.
Begin with the book on your shelf
One title.
Your particular copy.
The book with a name inside its cover is more than a catalogue entry. Folium X is designed to distinguish a work, an edition and the copy you own.
From there, follow passages, notes, relationships and questions—and return to the book that began them.
From shelf to inquiry- 01 / Preserve
Keep the context.
Your copy’s place, condition, inscriptions and history belong with that copy.
- 02 / Connect
Follow an idea.
Compare passages and interpretations while keeping their sources open to check.
- 03 / Create
Make something of it.
Shape an essay, a reading path or a new question. Revisit the reasoning as it changes.
These describe the product being developed, not features available to use today.
The Higher-Order Library
There is more
beneath the surface.
Folium X’s framework brings together books, evidence, interpretation and inquiry. It explores how discoveries can change both what you understand and the way you investigate.
The formal description is a recursive epistemic system. You can explore that idea through ordinary examples, its disciplinary foundations and its formal details.
Your questions.
Your reading.
Suggestions should give you somewhere to look. You decide what to pursue, revise, share or leave alone.
Browse the sample libraryFollow the development.
Folium X has not been released. Pricing and a release date have not been announced.
Get release news