A friend of mine sends his son to a Steiner School and suggested I look into anthroposophy which is the philosophy behind these schools, indeed a way of life. I know nothing about it so looked to see what is available. He suggested:
"An Introduction to Anthroposophy: Rudolf Steiner's World View" by Francis Edmunds
"Anthroposophy and the Inner Life" by Rudolf Steiner, V. Compton-Burnett, and V.C-. Burnett
"Living on Purpose: Meaning, Intention and Value (Classics of Anthroposophy)" by Graham Dunstan Martin
I found this book, "An Introduction to Anthroposophy" by Rudolf Steiner:
Synopsis"Although many of the practical activities that arise from Rudolf Steiner's work are well publicized, the philosophy that stands behind them remains largely hidden. Thousands of parents send their children to Rudolf Steiner (Waldorf) schools around the world, while biodynamic farming (the Demeter brand) and anthroposophical medicine are gaining increasing recognition. Yet despite all this and much other visible work, few are aware of the richness of Rudolf Steiner's world view, anthroposophy. Steiner's original contribution to human knowledge was based on his ability to conduct 'spiritual research', the investigation of metaphysical dimensions of existence. With his scientific and philosophical training, he brought a new systematic discipline to the field, allowing for conscious methods and comprehensive results. Francis Edmunds' introduction - here revised and updated - covers the fundamental areas of Steiner's philosophy, beginning with a brief outline of his life. Edmunds describes anthroposophy as a 'way to higher knowledge', and outlines the threefold nature of the human being. He delves into the secrets of human evolution and history, the basic elements of child development, and many further aspects of Steiner's vast teaching. This is a warm and clear introduction to anthroposophy which will prove of value to anybody wishing to understand Steiner's work."
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or search here Books on anthroposophy