This is a well-argued explication of a set of general criteria for deciding whether specialized adjudication in specialized tribunals or courts is more appropriate than generalist adjudication in ordinary court. Legomsky tests his theory against the working of the Administrative division of the New Zealand High Court, and ends with an assessment of the difficulties in comparison due to the diversity of governmental systems in states with different constitutional arrangements. A significant contribution to an increasingly important topic in American law--the role of specialized adjudicative...