'Book' in the Bible

as it is written in the book of the words of Esaias the prophet: Voice of one crying in the wilderness: Prepare ye the way of the Lord, make straight his paths.

And the book of the prophet Esaias was given to him; and having unrolled the book he found the place where it was written,

And having rolled up the book, when he had delivered it up to the attendant, he sat down; and the eyes of all in the synagogue were fixed upon him.

and David himself says in the book of Psalms, The Lord said to my Lord, Sit at my right hand