Jason Miller is a very rare person in our days. This book is full of protection techniques with many kinds of magick inside. The practitioner of the craft would find a daily practicing routine, house protection spells, symbols and sigils for protecting againsts evil spirits, a technique to invoke a spirit in the house, aura cleansing rituals, invisibility rituals etc. all based in the ancient way of thinking. The techniques are effective, solid and require seriousness and prudence.
Theurgy and Philosophy are two different methods which lead to the union with God.