This is the first English translation of "Miftah al-falah," a thirteenth century Sufi text, written by Ibn Ata Allah, one of the great masters of the Shadhili Sufi order. It is considered to be one of his most important works because it sets out the principles of actual Sufi mystical practices, shedding light on the sacred invocations, and associated practices, such as the spiritual retreat. Written in a clear, lucid style, it offers a glimpse into the Sufi world of the 7th Islamic century and allows us to see almost at first hand how the novice was guided by the Sufi Shaykh and, above all,...