codex

codex, manuscript book, especially of Scripture, early literature, or ancient mythological or historical annals. The earliest type of manuscript in the form of a modern book (i.e., a collection of written pages stitched together along one side), the codex replaced the earlier rolls of papyrus and wax tablets. The codex had several advantages over the roll, or scroll. It could be opened at once to any point in the text, it enabled one to write...