The Mystery of the Heart "Originally published in German by Verlag am Goetheanum 2003 as Mysterium cordis: Von der Mysterienst"atte des Menschenherzens Studien zur sakramentalen Physiologie des Herzorgans, Aristoleles, Thomas von Aquin, Rudolf Steiner. Second edition in German, Verlag am Goetheanum 2006, Dornach, Switzerland"--T.p verso. Full description