An alternative to the scroll, emerging around the 1st century CE. The codex was a bound book format composed of folded sheets of parchment or papyrus, stitched together along one edge. This innovation allowed for easier navigation, referencing, and storage of written works compared to scrolls. The codex gained popularity due to its practicality and versatility, eventually replacing the scroll as the dominant form of written communication in the Roman world. Its adoption facilitated the dissemination of knowledge, literature, and religious texts, contributing to the preservation and transmission of Roman culture and civilization