octavo

“Who, indeed, but a woman,” wrote one reviewer, “could have ventured, with the smallest prospect of success, to fill three octavo volumes with the history of a woman’s heart?”

From The Guardian ● Oct. 8, 2016

They would publish two octavo volumes at a time, each about 200 pages long.

From Slate ● Mar. 16, 2016

A collector acquires a clothbound octavo volume bearing the title "Holy Writ."

From Time Magazine Archive

However, demand was fully re-established in the decade 1600-1609, and not just for the new more complex commentaries such as that of Clavius, published in fat quartos, but also for cheap octavo editions.

From "The Invention of Science" by David Wootton

The treatise, in the original, forms about two-thirds of the first volume of his great work, the whole of which extends to six large octavo volumes, of six or seven hundred pages each.

From Harper's New Monthly Magazine, Vol III, No 13, 1851 by Various

A few family portraits, and well-filled bookcases of vellum-bound octavos, quartos and folios.

From Peak's Island A Romance of Buccaneer Days by Anna W. Ford Piper

One Watson, who assumed for the occasion the name of T. Johnson, printed a piratical edition of the new octavos.

From The Works of Alexander Pope, Volume 1 New Edition by Alexander Pope

Besides the drawers at the base, this will afford space for four rows of books, to include octavos, duodecimos, and smaller volumes.

From The Private Library What We Do Know, What We Don't Know, What We Ought to Know About Our Books by Arthur Lee Humphreys

Dr. Milles’s quarto and Mr. Bryant’s octavos are on my table, ready to be packed in your parcel.

From Cursory Observations on the Poems Attributed to Thomas Rowley (1782) by James M. Kuist

The Life of John Randolph, by Hugh A. Garland, has been published by the Appletons in two octavos.

From The International Monthly, Vol. II, No. I December 1, 1850 by Various