Reddit reviews Living Theurgy: A Course in Iamblichus' Philosophy, Theology and Theurgy
We found 3 Reddit comments about Living Theurgy: A Course in Iamblichus' Philosophy, Theology and Theurgy. Here are the top ones, ranked by their Reddit score.
Living Theurgy is a pretty thorough book on the subject. And it's not $247 for a paperback.
Ars Theurgia Goetia has a different set of spirits from Ars Goetia, these being "aerial" and "one part good, one part evil." Calling spirits into objects is a very old practice and is much more diverse than just Theurgy. Often the object is a vessel of water or a clear crystal, and these traditions were the inspiration for the whole "genie in a bottle" thing. The Hygromanteia and the Almadel are good examples.
Living Theurgy
Also going to develop my own system of ancestor worship so will be reading a lot about that.
Here is the desktop version of your link