This book offers a comparative theological exploration of the challenges and opportunities presented by the Qur’ānic representation of Christianity as the , , in the Qur’ānic commentary tradition. The research is divided into three parts. The first part explores the Qur’ānic understanding of the through traditional Islamic exegesis, known as , of four Islamic scholars whose work spans more than a thousand years. Part two takes a closer look at the pre-Islamic period, the occasion of revelation of the Qur’ān as well as the Arabic speaking Christian response to Islam in the post-conquest period. Part Three explores the modern use of the term by several scholars in the context of our increasingly interconnected and pluralist societies.