The Old Testament of the Roman Catholic Bible consists of 46 books, including foundation such as Genesis, Psalms, and Isaiah, which are recognized as sacred scripture. These ancient writings offer insights into the history, laws, prophecies, and wisdom teachings revered by the Catholic Church.

The New Testament of the Roman Catholic Bible consists of 27 books that chronicle the life, teachings, death, and resurrection of Jesus Christ, as well as the early Christian Church. It is considered a sacred text and serves as a central pillar of Christian doctrine and belief for Catholics worldwide.