About the Book of Isaiah

There are 66 chapters in Isaiah's book.
The book has five parts:
Part 1: (Chapters 1-5) Isaiah describes the people in Judah and in Jerusalem, its capital city.
Part 2: (Chapter 6) God makes Isaiah into a prophet.
Part 3: (Chapters 7-37) God's KING rules God's people.
Part 4: (Chapters 38-55) God's SERVANT saves God's people.
Part 5: (Chapters 56-66) God's MESSIAH beats God's enemies.