The book of Isaiah is one of the most significant works of the Old Testament, especially for Christian readers. Its oracles have shaped the cultural imaginations of countless generations, inspiring preachers, artists, musicians, and politicians. This biblical book offers prophetic reflections on and responses to the actions of monarchs and nations during a series of political changes and crises in Israel. With a focus on seeking to understand the text in its ancient context, this commentary is particularly written for those who seek guidance in preparing materials for Christian worship and study.