Mahnaz Moazami, Ph.D. (1995, Sorbonne-France), is an Associate Research Scholar at Columbia University in the City of New York. The main focus of her research is on the history of Ancient and Late Antique Iran. Her publications include Wrestling with the Demons of the Pahlavi Widēwdād (2014), an important source for the study of Zoroastrian beliefs and literature.

In Laws of Ritual Purity: Zand ī Fragard ī Jud-Dēw-Dād (A Commentary on the Chapters of the Widēwdād), the redactors present a comprehensive attempt to develop, systematize, scrutinize, and augment the Avestan and post-Avestan inheritance. By delving into numerous legal details, they provide illuminating insights into the everyday activities, encounters, and practices that are defined and governed by observance of ritual purity.