This remarkable story focuses on James Madison’s leadership role in creating the Bill of Rights, effectively completing the U.S. Constitution. Starting with the crises facing the nation in the 1780s, the narrative traces the call for constitutional amendments from the state ratification conventions. Through close examination of the featured document, “Senate Revisions to the House Proposed Amendments to the U.S. Constitution,” the reader goes inside the First Congress, as Madison and the leaders of rival political factions worked in the House and Senate to formulate amendments to change the recently ratified Constitution.