Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Visual and Verbal Communication (hierarchy name)
4. Information Forms (hierarchy name)
5. information forms (objects)
6. information artifacts
7. [information artifacts by physical form]
8. books
9. [books by external form]
10. folded books
11. accordion books

Anotations

Scope note:

Japanese books having a support comprising a long strip of paper with writing on one side, folded in a concertina fashion where each written page faces another written page. A cover may be attached to the front and back of the book; holes may be pierced to allow the book to be laced. Glossy mulberry torinokogami paper is often used. Based on a style of binding known in China during the Tang period.