This First Volume In The Four-volume Series The Moral Limits Of The Criminal Law Focuses On The Harm Principle, The Commonsense View That Prevention Of Harm To Persons Other Than The Perpetrator Is A Legitimate Purpose Of Criminal Legislation. Feinberg Presents A Detailed Analysis Of The Concept And Definition Of Harm And Applies It To A Host Of Practical And Theoretical Issues, Showing How The Harm Principle Must Be Interpreted If It Is To Be A Plausible Guide To The Lawmaker.