Anxiety disorders and mood disorders aren't the same. Mood disorders include all affective disorders including anxiety disorders.

There are many good books and sites available on anxiety disorders. One good book on the subject of anxiety disorders is The Anxiety Book by Jonathon Davidson.

People with debilitating anxiety are said to be suffering from anxiety disorders, such as phobias, panic disorders, and generalized anxiety disorder.

You can read about anxiety disorders online or at healthy magazines at your local convince store or deli or DR store. You can also ask others who have been through the trouble of anxiety disorders.

Simple phobia/specific phobia, social phobia and agoraphobia are indeed all anxiety disorders.