The creation of a project is never an isolated endeavor. This was certainly true in the development of this book. To move from imagi- nation to culmination required the encouragement, support, and assistance of many individuals. I take this opportunity to acknowledge the contributions of many friends, generous colleagues, and capable students.
This is a book about different approaches to teaching. Its purpose is to stimulate you to think about some basic ways to conceive of the role of the teacher. We believe that the approach you take to your teaching has a great effect on what you do as a teacher.