The Theory of Magic is a textbook on spiritual development - one written for those people who just recently embarked on a path of self-improvement, and who need useful tips to help them along their way. Eva-Valeria is an Indigo Girl, who in the future will become one of the Beacons of Humanity, along with Bianka, and the other heroes in the upcoming volumes. At this stage, she is learning about life itself, directly from her angel, who appears to her in reality and in her dreams, explaining to her, and showing her all the finer points of human existence - on the spiritual level.