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 internal form]

Anotations

Scope note:

Books having leaves that are relatively rigid, and that may be in non-traditional forms. Often used to refer to board books or books whose leaves are glued together as part of the binding process, though the concept of board books is distinct.