The Yezidis have two sacred books, the Kitab al-Jilwa, the “Book of Revelation,” written by Sheikh Adi, and the Mishefa Reş, the “Black Book,” which is said by scholars to have been written in the 11th-12th centuries but, claim the Yezidis, has existed since Tawsi Melek, the Peacock Angel, first set foot upon Earth. The Kitab al-Jilwa describes Tawsi Melek and his special relationship with the Yezidis and those who worship him in other faiths. The Mishefa Reş delineates the creation of the universe and the Seven Great Angels, as well as the creation of the Yezidis and the laws they must follow.
I was, am now, and shall have no end. I exercise dominion over all creatures and over the affairs of all who are under the protection of my image. I am ever present to help all who trust in me and call upon me in time of need. There is no place in the universe that knows not my presence. I participate in all the affairs which those who are without call evil because their nature is not such as they approve. Every age has its own manager, who directs affairs according to my decrees.
Here, from the same site, a bit different version of the Black Book:
Mishefa Re, The Black Book
n the beginning God created the White Pearl out of his most precious essence. He also created a bird named Angar. He placed the White Pearl on the back of the bird, and dwelt on it for forty thousand years. On the first day, Sunday, God created Melek Anzazl, and he is Ts-Melek,