In this episode we welcome back Jim Mallinson for another update on his pioneering research into the earliest Sanskrit texts of Ha?ha Yoga. We discuss the Light on Hatha Yoga Project (2021?2024) which will produce a critical edition of the Ha?haprad?pik?. We then dive into the Datt?treyayoga??stra, the "Datt?treya's Discourse on Yoga," perhaps the first text to teach Ha?hayoga within an A????ga framework. We discuss its authorship, dating, Vai??ava milieu, yogic teachings, intended audience,...