A codex is an ancient manuscript text in book form. Did the early Christians invent the codex or just popularize it? What were the advantages of the codex over the scroll? Why was the codex preferred by the Christians to the scrolls that had been so widely used and familiar?
CODEX ALEXANDRINUS: One of the Jewels of the British Library
The Codex Alexandrinus (London, British Library, Royal MS 1. D. V-VIII; Gregory-Aland no. A or 02, Soden δ 4) is a fifth-century Christian manuscript of a Greek Bible, containing the majority of the Greek Old Testament and the Greek New Testament. It is one of the four Great uncial codices.