John Calvin's 'A Treatise on Relics' stands as a seminal work in the canon of Protestant theological literature. Originally penned in 1543, this trenchant critique not only examines but also methodically dismantles the authenticity of numerous Christian relics that were prevalent in the practices of the church during Calvin's time. Employing a compelling amalgam of theological argumentation, historical analysis, and philological rigor, Calvin's text is an exemplar of Reformation polemics. Its literary style is marked by incisive clarity and an unyielding adherence to Scripture as the ultimate arbitrator of doctrinal truth, making it a keystone document within the larger framework of Reformation literature and its challenge to ecclesiastical orthodoxy. As a pivotal figure of the Reformation, John Calvin was not only a theologian and pastor but also a formidable writer and scholar. His desire to dispel what he perceived as the superstitions that plagued the Roman Catholic Church of his day was born out of a deeply held conviction that Christian faith should rest solely upon the Word of God. 'A Treatise on Relics' reflects Calvin's relentless pursuit of a purified worship that is free from idolatrous practices and rooted in biblical teachings. His own journey of faith and his earnest engagement with the theological controversies of his time are vividly brought to bear in this work. Readers with an interest in the history of Christian thought, the Reformation, or theology more broadly would find 'A Treatise on Relics' a thought-provoking and illuminating read. Calvin's sharp critique offers a window into the contentious debates of the 16th century and presents arguments that continue to resonate in contemporary discussions about religious practice, faith, and the role of tradition. His work is not only of historical significance but also remains relevant for those who seek to understand the foundational shifts that have shaped Protestant theology and worship practices.