|Wow, as of Dec 30th, 2011, >60% readers claimed to have read the whole OT. Join the poll — let’s see who you readers are.This diagram illustrates the ancient Hebrew texts which are present in the various Christian “Old Testaments”. These texts were borrowed from the Jewish Tanakh (illustrated here). Hopefully the diagram helps make clear that “The Bible” is not one book, but a large variety of texts. Seeing this, may help you to avoid the illusion of a Homogenized Bible.
Some of the differences in the content of the canons is due to the fact that The Catholic, Orthodox Christians based their collection on the Septuagint translation of the Hebrew Scriptures (Greek) while the Protestants base theirs on the later Masoretic text.