A note about the price: This book is of a rare nature, not for the general public, and the author has priced it accordingly. Less affluent readers are invited to pursue used copies or contact the author directly. Whether carved into amulets, daubed onto parchment, traced through ashes, or scratched in sand, ritual diagrams are the age-old precursors to our modern circuit boards, their intricately flowing lines summoning powerful energies. Five...