What is regulation? Under what circumstances is it needed? What forms should it take? Such questions are especially relevant at a time in United States history when governmental involvement in decisions formerly left to individuals and business firms evokes concern on all sides of the political spectrum. In Going by the Book, Eugene Bardach and Robert A. Kagan address these questions and provide richly detailed descriptions of the dilemmas of enforcement in a broad variety of regulatory programs.The authors argue that the most successful forms of regulation emerge from a flexible rather than a legalistic method of implementation. Relying on extensive interviews with government agency officials and regulated businesses, they find that American techniques of regulation, by their very nature, frequently generate "regulatory unreasonableness," that is, governmental requirements that seem sensible in principle but that make little sense in particular situations. By exploring the roots and d