A hardback version of this is available at: https: //sentradpress.com/product-category/psychology/. The soft back and hardback versions include all three of the following volumes in on book: Vol. I: Philosophical Psychology This text, the first of three volumes in the "Introduction to the Science of Mental Health" series, treats the science of mental health and illness and is based on the writings of St. Thomas Aquinas. The text is divided into three...