The human kingdom, beneath the floor of the comparatively neat little dwelling that we call our consciousness, goes down into unsuspected Aladdin caves. There, not only jewels but also dangerous jinn abide: the inconvenient or resisted psychological powers that we have not thought or dared to integrate into our lives. ...they are fiendishly fascinating too, for they carry keys that open the whole realm of the desired and feared adventure of the discovery of the self.