The phrase "as a single volume" is correct and usable in written English.
It can be used when referring to a collection of works or texts that are bound together in one physical book or format.
Example: "The anthology was published as a single volume, making it easier for readers to access all the stories in one place."
Alternatives: "in one book" or "as one unit".
(Already published separately, they will be available as a single volume next month).
The church was conceived as a single volume, a square base surmounted by a truncated cone.
After consultation with Bolaño's wife, the publisher issued it as a single volume.
His magnum opus, "The Life of Andrew Jackson," had been conceived as a single volume.
It is currently published by Granta along with Exterminate All the Brutes as a single volume called Saharan Journey.
The Library of America then reissued the U.S.A. trilogy -- "The 42nd Parallel" (1930), "Nineteen, Nineteen" (1932) and "The Big Money" (1936) -- as a single volume.
From delights to horrors in All Hell Let Loose by Max Hastings (HarperCollins): politicians and generals have walk-on parts only as (in a single volume) Hastings manages to describe the entire second world war from below and shows that, worldwide, very few were unaffected by the conflict.
Taylor accounts for bombers and corpses as fully as he can in a single volume, honourably intent on correcting, for now and especially for the future, all parties' mythification of what happened.
The book does however give little information on flap surgery, and in particular on free flap surgery, as might be expected of a single volume.
A singular voice Heart of the matter Nose-to-tail eating The other modernism ReprintsThe truth is more interesting than the caricature, and H.W. Brands's new biography tells the story as well as you could ask for in a single volume.
However, as a stand alone mesh motion tool, where the surface mesh points control the motion, radial basis functions may be restricted by the size of the surface mesh, as an update of a single volume point depends on all surface points.
