Protocanonical books Protocanonical books The protocanonical books are those books of the Old Testament that are also included in the Hebrew Bible (the Tanakh) and that came to be considered canonical during the formational period of Christianity. The term "protocanonical" is often used to contrast these books to the deuterocanonical books or apocrypha, which "were sometimes doubted" by some in the early church, and are considered non-canonical by most Protestants. There are typically 39 protocanonical books in most Christian bibles, which correspond to the 24 books in the Jewish Tanakh. The list of protocanonical books is Genesis, Exodus, Leviticus, Numbers, Deuteronomy, Joshua,
Old Testament theology in the Old Testament book of Exodus 3:13-15. Through this passage, readers can see the personality of God revealed. Because the earliest writing in the Hebrew language did not utilize vowel marks and the Hebrew people revered God so much that they declined to pronounce the name aloud, the true pronunciation of the name of God has been lost due to a lack of use. Medieval Jewish scholars developed a system for inserting vowel marks into the consonantal text. Due to the tradition of reading aloud the word "adonai" (my Lord) whenever YHWH was encountered in the text, scribes inserted