A new book edited by the author of Scarlet Imprint's "Crossed Keys", in which various occult authors offer their insights into the "Knowledge and Conversation of the Holy Guardian Angel". The book is broken into four parts: the nature of the HGA; what comes after contact and how to work with the HGA; different schools of thought about the HGA; and a section devoted to some of the important blog posts made during the 2011 pan-blogosphere debates on...