Christian Ethics by Ismail Raji Al-Faruqi is a major academic study examining the historical development and philosophical foundations of ethical thought within the Christian tradition. Written with scholarly rigor, the work offers a systematic analysis of the dominant ideas that shaped Christian moral theology from its origins to the modern period. Rather than presenting a devotional or confessional account, the book approaches Christian ethics through the methods of historical, comparative, and philosophical inquiry. The author studies the ethical teachings attributed to Jesus, the transformation of those teachings in early Christianity, and the later doctrinal developments that influenced Christian moral thought across different eras. The volume begins with methodological reflections on the study of religion and the need for objective principles in comparative analysis. It then explores the Jewish ethical background of the time of Jesus, the moral teachings of the Gospel, and the evolution of Christian ethical doctrines in the writings of major theologians and philosophers. Particular attention is given to themes such as: ¿ The relationship between law, intention, and moral responsibility ¿ The development of doctrines of sin, salvation, and human nature ¿ The influence of Greek philosophy and later theological systems ¿ The transformation of early ethical teachings into formal doctrine ¿ The ethical implications of Christian theology in social and political life The work also examines the interaction between religious traditions and the intellectual history of the West, presenting Christian ethics as a historical phenomenon shaped by cultural, philosophical, and theological forces. Written for serious readers, students, and scholars of religion, this book remains an important contribution to the academic study of comparative religion, theology, and the history of moral philosophy.