Widely used for centuries in Sufi circles, the prayer known as "The Most Elevated Cycle" (al-Dawr al-a'la) or "The Prayer of Protection" (Hizb al-wiqaya), written by the great Sufi master Muhyiddin Ibn 'Arabi, has never before been available in English. This book provides a lucid English translation and an edited Arabic text of this beautiful and powerful prayer. It includes a transliteration for those unable to read Arabic, who wish to recite the prayer in the original language. Showing the importance of Ibn 'Arabi's devotional teaching, the book explores the prayer's contemporary life, properties and historical transmission. It gives full details of generations of well-known scholars and Sufi masters who have transmitted the prayer, providing an intimate and fascinating insight into Islamic history.