Within the book, a group of occultists (Crowley) have the goal of creating a homunculi from the blood of a young girl, whom they have raised in the cult. The author did indeed meet Crowley
": "The fact that I had read extensively about ancient religions gave me some useful background, but I required up-to-date information about occult circles in this country. My friend, Tom Driberg, who then lived in a mews flat just behind us in Queen's Gate, proved most helpful. He introduced me to Aleister Crowley, the Reverend Montague Summers and Rollo Ahmed."
In the film version of the book, the story begins in a catholic church in Bavaria, which we would tend to associate with the Bavarian Illuminati and therefore, Jesuits via Adam Weishaupt
" Verney learns that the order really harbours a group of practicing Satanists, who have prepared Catherine to become an avatar of Astaroth upon her eighteenth birthday."
Now baring in mind the exoteric version of Catholicism is quite different to the Luciferian version.
White Jesuit Pope & Black Portuguese Pope
Count Hans Kolvenbach -- The Jesuit's General
How does this relate to pizza gate? Well of course, the suspected cloning of Madeleine McCann would fit exactly into this narrative... It would also be solidified by the fact the whole scenario involving the child took place in Portugal.
The outer church puts on a facade of mourning
The inner church celebrates the technological advance and the seething power of Lucifer, which I suspect, is about to turn about and bite them in the tail.