One of the most important writings on the subject in English, which is already transated into Persian by Ayatullah Saiyyid Ali Khameneie, the leader of the Isl. Rev. of Iran before the revolution. The story of Imam Hasan's( A.S) noble political attitude, against the wicked policies, intreagues and deceitful tactics of Moawiyah, the convertor of Khilafa into monarchy. The book throws light on the Peace-Treaty , Moawiyah's miserable attitude, and its consequences in the History of Islam.P/B Pg. 383