At some time in the third century, codices began to replace scrolls as the normative way to preserve a body of text; it was clear that this transformation was tied up with the Christian movement, whose early texts were almost universally produced as codices. By the sixth century, the codex was triumphant and remained the standard form of the book until the present day.

Andrew Pettegree, Arthur der Weduwen, The Library- A Fragile Hist…, loc. 85