It is now known that chapters 56 through 66 of his book were written during the ministry of Nehemiah.  
He tells King Hezekiah not to ally with Egypt but rather to acknowledge the power of Assyria.  It is now known that chapters 56 through 66 of his book were written during the ministry of Nehemiah.  At first he predicts doom for both Assyria and Judah, but the second part of his book points to the redemption of Israel through the divine instrument that is Cyrus the Great.  This son of Amoz was, according to tradition, martyred in either 701 or 690 BC.  FTP, name this Biblical prophet, whose Old Testament book comes between Song of Songs and Jeremiah.
He tells King Hezekiah not to ally with Egypt but rather to acknowledge the power of Assyria.  
Isaiah