A great book of Tasawwuf, by Ghaus al-Azam Shaykh Abdul Qadir al-Jilani Sirr ul-Israr by Hazrat Ghaus al-Azam Shaykh Abdul Qadir al-Jilani Translated in Urdu by Zafar Iqbal Kalyar Published by Zawiya Foundation, Lahore, 2000 Pages 228 Digitized by Maktabah.org, December 2011