The NRA also has a large number of books and videos on the subject of defense inside and outside the home as well as proper handling and use of guns.
Here's a link to its program material's department:
http://materials.nrahq.org/go/home.aspx
Here's another important link, Women's programs:
http://www.nrahq.org/women/index.asp
Many LEO's will be able to offer good advice, but NRA materials and its support system and experience will help as well.