Arizona became the nation's 48th state in 1912 and since that time the Arizona constitution has served as the template by which the state is governed. Toni McClory's Understanding the Arizona Constitution has offered insight into the inner workings and interpretations of the document--and the government that it established--for almost a decade.

Since the book's first publication, significant constitutional changes have occurred, some even altering the very structure of state government itself. There have been dramatic veto battles, protracted budget wars, and other interbranch...