Deen ka Da'ai Kaisa Ho by Moulana Moududi .

Abul Ala Maududi, often referred to as Maulana Maududi, was a prominent Islamic scholar, theologian, and political philosopher. He was born in British India in 1903 and passed away in 1979. Maududi is best known for his role in the revival of Islamic political thought in the 20th century and for founding the Jamaat-e-Islami, a political party advocating for the implementation of Islamic principles in governance. Maududi's ideas have had a significant influence on modern Islamic political movements, particularly those advocating for Islamization of society and politics. He wrote extensively on various topics related to Islam, including political theory, social justice, and the interpretation of the Quran. His works remain influential among Islamist thinkers and activists worldwide.