The Heptameron: Introduction to the Magical Works of H-C Agrippa. This book will allow the reader to practice the Ancient Magical Arts. He will know the different offices of the Spirits, their particular signs and appearance, when to summon them according to the days and hours, and how to use Magical Operations to conjure the Spirits to visibly appear before the Circle. He will find various Pentacles, Invocations, Orations, Prayers, Exorcisms and...