books.google.com - Why is there something rather than nothing? Does God exist? Does time flow? What are we? Do we have free will? What is truth? Metaphysics is concerned with ourselves and reality, and the most fundamental questions regarding existence. This clear and accessible introduction covers the central topics in...https://books.google.com/books/about/What_is_this_Thing_Called_Metaphysics.html?id=qTmJrtBX-ZkC&utm_source=gb-gplus-shareWhat is this Thing Called Metaphysics?