Many people are seized with a sense of fear and surprise when they think about the secrets of the universe, the Big Bang or the existence of black holes. However, not everyone is aware of how mysterious their own consciousness is. In this small but meaningful book, Annaka Harris opens the door for readers to the world of philosophy and sciences, exploring the mind and its boundaries. Easily and fascinatingly, she talks about the most complex concepts of matter, time, space, artificial intelligence and our own self.