Octavo: Difference between revisions

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An octavo is a book or pamphlet made up of one or more full sheets of paper on which 16 pages of text were printed, which were then folded three times to produce eight leaves. Each leaf of an octavo book thus represents one eighth the size of the original sheet.
 
There are many variations in how octavos were produced. For example, bibliographers call a book printed as an octavo (eight leaves per full sheet), but bound in gatherings of 4 leaves each, an "octavo in 4s." <ref>[[Ronald B. McKerrow]], ''An Introduction to Bibliography for Literary Students'', Oxford 1927 and later eds., p. 28.</ref>
 
The actual size of an octavo book depends on the size of the full sheet of paper on which it was printed. The size of such sheets varied in different localities and times. A sixteenth century octavo printed in France or Italy is about the size of a modern cheap paperback, whereas an eighteenth-century octavo printed in England is larger, about the size of a modern hardcover novel.