Structure of the Book itself

A few notes about the book

As has been mentioned, the DBoE was formed from the ritual corpus of an inner circle of the Cultus Sabbati known as the Column of the Crooked Path (source here. For those unfamiliar with Xoanon, they're pretty much the publishing arm of the Cultus, so this is essentially straight from the horse's mouth).

It was privately circulated among initiates, ten copies of three volumes each being privately published in 1997 (this is presumably in it's private, full form, rather than the redacted public version we are working from). It was then circulated in some form through The Companie of the Serpent Cross- an outer circle of the CS. It was published by Xoanon in 2014.

More info on some of the various groupings within the CS can be found here. There's also an interesting interview with Peter Hamilton-Giles (Co-founder of the Column of the Crooked Path) here, which gives some interesting insights into the background of the system.

It's the second part of Chumbley's Trimagisterion trilogy, the first being his ''Azoetia. Not certain what the third title will be (though it has been speculated on several occult forums)