Between October 1787 and August 1788, Alexander Hamilton, James Madison, and John Jay wrote eighty-five essays urging New Yorkers to ratify the proposed Constitution. Publishing under the shared pen name Publius, they built the most comprehensive defense of the new framework ever produced. Collected into bound volumes and circulated throughout the states during the ratification debates, The Federalist Papers remain the most authoritative explanation of what the Constitution was designed to accomplish, and why its framers chose this structure over every alternative on the table. The essays move from the case for union, through a branch-by-branch examination of the new government, to a final appeal for ratification. This edition offers a faithful translation of the original 18th-century language into clear, modern English, without sacrificing the substance of the arguments. Each paper opens with its original publication date, its author, and a brief introduction to the argument that follows. In-text call-outs preserve selections of the original 18th-century text alongside the modern rendering, so readers can see the founders' own words next to the plain-English translation.