Hi, I like to know more abaut the “Yale”. Congratulations for the trilogy ” the Grail Quest” . Adilson Castro de Paula

Hello to everyone, I’m realy curious to know about the “YALE”, a picture in first place, that exists in the Grail Quest. I’ve already tried to find something at the internet with no sucess. Please help me. PS: I’m waiting anxiously to read the Heretic in Portuguese because I live in Brazil. Bosco