This is the introductory volume for a new critical edition of The Epistles of the Brethren of Purity, an encyclopedic philosophical and scientific work of the 1

The tenth or eleventh century group of the Brethren of Purity (Ikhwan al Safa) are as well known in the Arab world as Darwin, Marx and Freud in the west. Design

In this interfaith and multicultural fable, eloquent representatives of all members of the animal kingdom--from horses to bees--come before the respected Spirit

The Ikhwan Al- Safa' or Brethren of Purity were a highly secretive group of tenth-century Shi'ite thinkers, their identities remaining unclear even today. Renow