The book of the masterpiece of the preacher and the picnic of the observer / by Sheikh Imam Al -Allama Jamal Al -Din Abi Al -Faraj Ibn Al -Jawzi. The book of the masterpiece of the preacher and the picnic of the observer / by Sheikh Imam Al -Allama Jamal Al -Din Abi Al -Faraj Ibn Al -Jawzi. The book of the masterpiece of the preacher and the picnic of the observer / by Sheikh Imam Al -Allama Jamal Al -Din Abi Al -Faraj Ibn Al -Jawzi