Since graduation he has devoted himself to the work of religion and actively engaged in propagation of Islam and teaching. He has taught and commented on numerous classical Islamic works and has lectured extensively on a range of topics including Qurʼānic tafsīr, ḥadīth, aqīdah, fiqh and spirituality. He has also travelled widely, teaching and lecturing in various countries in the Middle East, Africa, Europe and North America.Shaykh Abu Yusuf Riyadh ul Haq Iqra Shaykh Abu Yusuf Riyadh ul Haq Many of his sermons and lectures are recorded and are widely available. He has also authored two books, The Salah of a Believer in the Quran and SunnahThe Salah of a Believer in the Qur'an and Sunnah, Islamic Shariah Institute (2002)The Salah of a Believer in the Quran and Sunnah The Salah of a Believer in the Qur'an and Sunnah and 'Causes of Disunity'Causes of Disunity Causes of Disunity
