If you are like us when we were law students, you enrolled in a course on administrative law without knowing exactly what the course would be about or understanding what an administrative agency is. The mysteriousness is understandable. Administrative law is like the air we breathe: invisible yet pervasive. Administrative agencies affect so many areas of our lives that we take them for granted. They are part of the atmosphere of modern life, and, like the physical atmosphere, they are necessary (at least in some form) to sustain modern life, but they get little attention from most people. Nonetheless, law students need to learn about them because most lawyers must deal with them.