The introduction offers an overview of the book’s central themes and provides guidance to readers about how to approach it in the most productive way. It begins by presenting the educational philosophy that forms the basis for the book’s content. In brief, the central principle of this philosophy is that learning comes from within, not from without. After outlining the purpose and methodology, the introduction also describes the book’s intended audience. Since it appeals to readers with various backgrounds and training, the introduction also serves to provide guidance for how readers might choose to explore the text. It concludes with an overview of the book’s organization, which includes the introduction and ten chapters.