The Black Brotherhood and other stuff

Hi
The Black Brotherhood - um
What is it? Who are they?
Interesting articles relating to the title
Grey Lodge Occult Review
Jack Parsons:
He was an acolyte of Aleister Crowley, an employee of Howard Hughes, a victim of L. Ron Hubbard, and an enthusiastic phone buddy to Wernher Von Braun. He was an only child, his adulterous dad booted by his angry mom. In seeking father figures and brotherhood, he became a vital link in two mighty chains in human history: rocketry and ritual magic. His science was built on intuition, and his magic on experiment.
Read on............
I bought a book a long time ago from a car boot sale. When I picked it up the seller warned: "be careful that's evil"!
The book was called "The Spear Of Destiny"
Hitler The Occult Messiah