'Itself' in the Bible

For when every commandment had been spoken by Moses to all the people according to the law, he took the blood of the calves and the goats, with water and scarlet wool and hyssop, and sprinkled both the book itself and all the people,

For Christ hasn't entered into holy places made with hands, which are representations of the true, but into heaven itself, now to appear in the presence of God for us;