The previous article – Introduction to Islamic Sciences, Part II – touched upon two subjects: Fiqh (Islamic Jurisprudence), and Usul of Fiqh (Principles of Jurisprudence), and offered a glance into its history, key subjects, and sources. This article delves into three additional subjects: Hadith Studies and Qur’anic Sciences. Hadith studies includes studying its history – such as the phenomenon of forging hadiths and its branches – Rijal, Dirayah al-Hadith, Fiqh ul-Hadith, Gharib ul-Hadith, ‘Alaj ul-Hadith, and ‘Ilal ul-Hadith. Qur’anic sciences include revelation studies, the Qur’an’s miraculousness, and the compilation of the Qur’an. Moreover, the history and important methods of exegesis are elucidated in the Science of Exegesis.