According to National Geographic experts' research, the possibility of our appearance in this world as we are today is 1 to 60 billion. Since the time of Jesus Christ, about 100 billion people have been born and died on planet Earth. That means each of us has already come into this world at least once before during these past 2,000 years. And taking into account the current population of the planet , this also means that everyone will be born again in 500-600 years. According to the laws of nature, this regeneration process will continue again and again until mankind ceases to exist. The book narrates how to find immortality in this eternal return. It examines the questions:How can we ensure the preservation of our soul? And what will the way of coming back into a new body be like? How does the universal religious tradition give us the clue to find immortality? And how can science and modern technologies help this recurrent dream of man come true?