Check the NRA website. They have a lot of info on where to go for firearms training and such.

Google search your area for self defense training. If you are urban, you should have a lot of hits.

Bruce Lee's Jeet Kune Do is a good philosophical book about effective fighting. An interesting place to start anyways. Probably the most intuitive way for an uninitiated combatant to understand how to fight, and one of the most difficult things for a seasoned and well trained technical fighter to learn.