books.google.fr - Cotnoir offers a detailed, step-by-step introduction to Alchemy that explores its mysteries while illustrating its use as a modern spiritual system of attainment. He provides an overview of the history of Alchemy, as well as evidence to detractors that Alchemy is much more than a medieval form of psychotherapy....https://books.google.fr/books/about/Alchemy.html?hl=fr&id=BPWDrnEJ7UsC&utm_source=gb-gplus-shareAlchemy