Rasail-o-Masail is a multi-volume collection by Syed Abul A'la Maududi compiling letters and answers on religious, social, and political issues from the journal Tarjuman-ul-Quran . The series addresses modern 20th-century challenges through an Islamic legal framework. Access digital versions of these volumes on Internet Archive .
Found in the opening volume. It argues that Islam is not merely a set of rituals but a complete, integrated system (Deen) covering law, morality, and economy. Rasail O Masail.pdf