- Azkars "The Fortress of a Muslim" is a collection of prayers (dua) and remembrances (dhikr) from the Koran and sunnah, compiled by Sheikh Saeed bin Ali al-Qahtani. The book contains duas for different occasions: morning and evening, when entering a mosque, when leaving home, during Umrah and in other life situations. In the program, memories are accompanied by audio voiceovers and reminders to facilitate memorization.