The Impeachment of Donald Trump examines impeachment as both a constitutional mechanism and a contested instrument of democratic accountability. Bringing together legal analysis, institutional perspective, and documentary-minded political narrative, the volume moves between questions of executive power, congressional authority, national security, evidentiary standards, and public legitimacy. Its most compelling passages illuminate the tension between the formal architecture of the Constitution and the intensely partisan circumstances in which impeachment proceedings unfold. The contributors' backgrounds in federal investigation, legislative-legal analysis, and national-security practice lend the collection a distinctive institutional breadth. Robert S. Mueller's association with the Federal Bureau of Investigation and Elizabeth B. Bazan's national-security expertise situate the volume within wider debates over oversight, intelligence, law enforcement, and the limits of presidential conduct. Read collectively, these perspectives align the book with modern scholarship on separation of powers and the evolving role of accountability institutions in American political life. This volume will reward readers seeking a rigorous, multifaceted introduction to one of the most consequential constitutional controversies of the contemporary United States. By placing legal reasoning beside institutional concerns and political context, it encourages readers to compare methods, assumptions, and interpretations. It is especially valuable for students of law, history, government, and civic life.