Answer by Alex Sumner:
A good all-round introduction to the subject isby Lon Milo Duquette, which is essentially how one would go from being a complete beginner to a practising magician in all aspects of Dee’s system. Once you have that out of the way, you are ready for Dee’s original materials. I recommend , edited by Joseph H Peterson, and Meric Casaubon’s “A True and Faithful Relation…” now published as , edited by Stephen Skinner.
Some years agoeven had high quality scans of Dee’s diaries online, but unfortunately their site seems to be down.