"Dealings with the Inquisition; Or, Papal Rome, Her Priests, and Her Jesuits" by Giacinto Achilli Giovanni Giacinto Achilli was an Italian Roman Catholic Dominican friar and anti-Jesuit. n this book, he tackles his religious beliefs and his opinions of what he felt were the shortcomings of the Catholic church after his sudden conversion to the Protestand faith. This pivot and his prior knowledge of the inner workings of the church allowed him to craft an insightful and controversial book that captured millions.