A traditional book format resulting from folding a single large sheet of paper six times to produce 64 leaves, or 128 pages. The resulting pages are extremely small, typically around 2 by 3 inches, depending on the original broadsheet size. It is primarily used for miniature books, pocket bibles, and novelty items.
Heard on the job
The bindery is setting up the folder for a sexagesimo-quarto run of miniature dictionaries.
Also heard as
- 64mo
Related terms
64mo
An extremely small book format made by folding a printed sheet into sixty-four leaves.
Folio
The printed page number in a publication, or a book size made by folding a sheet once.
Quarto
A book size created by folding a printed sheet twice to form four leaves.
8vo
A standard book format created by folding a printed sheet three times to form eight leaves.