THISBOOKISBASEDonacourseofthesamenamethathasbeentaughtannuallyatStanfordUniversitysince1970.Aboutftystudentshavetakeniteachyear|juniorsandseniors,butmostlygraduatestudents|andalumnioftheseclasseshavebeguntospawnsimilarcourseselsewhere.Thusthetimeseemsripetopresen