The title, Futuh al-Ghaib , translates to "" or "Openings of the Unseen". It consists of 78 discourses (or sermons) originally delivered by Sheikh Jilani in Baghdad. These sermons were recorded by his disciples and later compiled into the book we know today.
Websites like , IslamicBlessings.com , or Archive.org often host scanned copies of old editions. Search for "Futuh al-Ghayb English translation PDF." futuhul gayb pdf