The Final Message and Its Preservation: A Comparative Study of the Qur’an, the Sunnah, and Earlier Scriptures

If God has spoken to humanity, how can we know what He said-and whether His message has been preserved? The Final Message and Its Preservation is a thought-provoking study written for readers who are willing to ask one of religion's most important and neglected questions: not simply whether revelation exists, but whether divine guidance has remained accessible, identifiable, and trustworthy across history.
In this carefully argued work, Mohammad Mandurah examines the transmission of the Qur'an, the Sunnah, the Torah, and the New Testament, bringing together theology, history, and comparative analysis in a clear and accessible way. Rather than approaching scripture only as a matter of faith, identity, or inherited tradition, this book asks how sacred texts were actually preserved. How were they recited, memorized, written, copied, collected, and canonized? What is the difference between manuscript evidence and named chains of transmission? What happens when authorship becomes uncertain, source layers are reconstructed, or the path from revelation to later text grows difficult to trace? Drawing on the Islamic intellectual tradition, the book argues that Islam presents a uniquely coherent account of preserved revelation.
It explores the Qur'an's gradual revelation during the lifetime of Prophet Muhammad ?, its public recitation, broad memorization, written recording by known scribes, early collection under Abu Bakr, standardization under ?Uthman, and preservation through the canonical qira?at. It also examines the preservation of the Sunnah through the sciences of isnad, ?ilm al-rijal, jar? wa-ta?dil, hadith classification, and the detection of hidden defects. At the same time, the book treats earlier scriptures with seriousness and respect.
It surveys the traditional and modern questions surrounding Mosaic authorship, the Documentary Hypothesis, Torah transmission, Gospel authorship, New Testament manuscripts, textual criticism, and canon formation-without caricature or polemic. Written for sincere truth seekers, students of religion, and thoughtful non-Muslim readers, The Final Message and Its Preservation offers more than a comparison of books.
It presents a challenge: if God's final guidance was meant for all people and all times, what would its preservation need to look like? This book argues that final revelation would have to be preserved-and that Islam uniquely claims exactly that.