The Commander of the Faithful "Imam Ali", peace be on him, is the most distinguished personality of Islam after Prophet Muhammad, peace and blessings be on him. His entire life is the life of struggle for the advancement of Islam. He was a great combatant, a great judge, a great philanthropist and the most pious person of his time. Much has been written and continues to be written about the life, character and attributes of Imam Ali. The present book is an English translation of Sautu"l `Adalati"l Insaniyab, the biography of the Imam, written in Arabic by George Jordac, a renowned Christian author of lebanon. It has gained much popularity in the Arab and the Muslim world. Many Muslim and non-Muslim scholars have paid it glowing tributes. The author is an enlightened man of letters and has written the book with perfect sincerity.