Teach Old Norse Viking Language?

Alright, I've been a viking and norse crazy since Thor, much before the movie, and since I was 5. I'm wanting to speak the language, the language of who I Once was. I want to speaking the Viking Language, Old Norse. I want to know is there any good bookes or siteks that can help me with that? Any at all would Be Greatly appreciated, thank you. :) *EK 55*