For the scholar. If you want to understand how a master of Islamic law integrated mysticism with daily practice, this is the ultimate source. It is heavily referenced by later Sufi masters.
These foundational texts cover the inner and outer aspects of Islamic practice and belief.
Look for " Futuh al-Ghaib – Sheikh Abdul Qadir Jilani – PDF English – Muhtar Holland translation ."
To ensure you have successfully gathered the core , use this checklist: