Download or read book Epistles of the Brethren of Purity. The Ikhwan Al-Safa' and Their Rasa'il written by Nader El-Bizri and published by . This book was released on 2008-12-04 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the introductory volume for a new critical edition of The Epistles of the Brethren of Purity, an encyclopaedic philosophical and scientific work of the 10th century produced by an esoteric fraternity based in Baghdad and Basra. Specially written essays explore its authorship and dating, its intellectual content and influence.