This is the first new and unexpurgated translation of Meddygon Myddfai, The Physicians of Myddfai, for over 150 years. The evocative Legend of the Lady of the Lake (Llyn y Fan Fach) is included. This tale is the starting point for the line of practising Myddfai physicians from being court mediciners to Prince Rhys Gryg (d. 1234) until the present day.