This book consists of two collections of letters by Sheikh al-Islam Ibn Taymiyyah: The first collection includes: 1- Al-Wasitah bayna al-Haqq wa al-Khalq (The Mediator Between Truth and Creation) 2- Ma'arij al-Wusul (Ascents of Arrival) 3- Al-Risalah al-Arshiyyah (The Treatise of the Throne) 4- Al-Ikliil fi al-Mutashabih wa al-Ta'wil (The Diadem in Ambiguities and Interpretation) 5- Al-Risalah al-Madaniyah fi al-Majaz wa al-Haqiqah fi al-Sifat (The Madani Treatise on Metaphor and Reality in Attributes). The second collection includes: 1- Al-Tibyaan fi Nuzul al-Qur'an (The Elucidation on the Revelation of the Qur'an) 2- Al-Risalah al-Bahrainiyyah (The Bahraini Treatise) 3- Al-Risalah al-Misriyah fi al-Qur'an al-Karim (The Egyptian Treatise on the Holy Qur'an) 4- Al-Jawab al-Mukhtasar fi Mas'alat al-Kalam al-Mu'tabar (The Concise Answer to the Issue of the Accepted Discourse)