Congratulations to Roshan Cultural Heritage Institute fellow, Professor Touraj Daryaee on his new publication: On the Explanation of Chess and Backgammon. Funded by Roshan Cultural Heritage Institute, this book is a new volume of Persian Text Series of Late Antiquity, which aims to fill the gap between the Old Persian and Classic Persian Literature. Dr. Touraj Daryaee is the Howard C. Baskerville Professor in the History of Iran at the University of California, Irvine.