A modern book of shadows, updated for a new era.Priestess is a concept visual art book meets witch's grimoire, filled with antidotes, spells, mantras, prose, and original art intertwined within the pages by Artist and Psychic Medium, Marcella Kroll. A biography of a witch without being a memoir, this is a modern book of shadows updated for a new era.Marcella Kroll is a multimedia artist, ritualist, psychic medium, and metaphysical teacher.