Books about the search for the causes of the worldview crisis of our time, about the search for truth, about the search for the correct worldview of the universe, about the search for a worldview of the way to save man and all humanity. Books about the search, definition and understanding of God's purpose and worldview of the future era. God's purpose is understood and viewed as the root cause of all causes, as the basis of all foundations, as the basis for the creation of the universe, life and their meaning. The first book is called “God's purpose as the basis for the creation of the universe of life and their meaning, as the basis of a common theology and dialogue of civilizations.” The third book is “God’s goal as the basis for building the Kingdom of God or a universal paradise for all living on planet Earth.” The fourth book is “A textbook on the basics of a correct understanding of God and life.” These books are intended and necessary for every person of our time striving for perfection. The Book of God's Wisdom or the Foundations of the Divine Vision of Universal Peace, Unity and Happiness or From the Dialogue of Civilizations to Universal Peace, Unity and Happiness or The Foundations of a Correct Understanding of God and Life or About the Meaning of the Universe and Human Life or The Foundations of the Eternal Gospel or About the World Understanding of Improving People's Lives or The True – the highest – divine philosophy – the philosophy of the correct understanding of God and life, or God’s way of saving man, universal peace, unity and happiness, or God’s purpose and plans for human understanding of the world and improving his life, or About the direction of humanity’s aspirations to a better future, or About the problems of terrorism and the only way to resolve them, or About the promised world understanding of Sioshyant from the seed Zoroaster or Imam Mahdi from the descendants of the Prophet Muhammad