Book excerpt: Highly advanced civilizations have been here before us, just to be destroyed by some great global catastrophe. But for each race that has died out, another has taken its place, with a selected few holding on to the memories and sacred knowledge of the past race. In our vanity we think we have discovered some of the great truths of science and technology, but we are in fact only just beginning to rediscover the profound wisdom of past civilizations. In many ways, we are like an awakening Species with Amnesia, yearning to reclaim our forgotten past.