When I first proposed this book, one of the hopes was that it would be the stage upon which would be conducted a quiet, well- reasoned discussion of the various techniques of stereotactic radio- surgery. At that time, there was quite a bit of rancorous debate that tended to obscure the scientific and medical merits of each of the separate methods. At the present time, I am happy to report that the field of stereotactic radiosurgery is much less riven...