Here's a really good (free) online book, TWELVE GENTLE STEPS TO OVERCOMING SOCIAL ANXIETY
http://healsocialanxiety.com/SPAOnlineLibrary.htmlThey state in their literature that the book is for Agoraphobia too.
They also have (free) telephone conference call support groups for agoraphobia--
(Which is great for when you can't leave the house, agoraphobia usually makes it so hard to get help, but those groups let you call in and talk to others and get that support).