Publisher's Synopsis
"[Yeats] . . . became heavily involved with the Theosophical Society and with hermeticism, particularly with the eclectic Rosicrucianism of the Hermetic Order of the Golden Dawn. During séances held from 1912, a spirit calling itself "Leo Africanus" apparently claimed it was Yeats's Daemon or anti-self, inspiring some of the speculations in Per Amica Silentia Lunae" --.