'Book of the Law' in the Bible

For, when every command had been announced to all the people by Moses in accordance with the Law, he took the blood of the calves and of the goats, with water, scarlet wool, and a bunch of hyssop, and sprinkled even the Book of the Law, as well as all the people,

So I said, 'See, I have come! as the Book of the Law says of me, O God, to do your will!' "