Learning "Theory" ?

Can anybody recommend some good instructionals (books or videos or whatever) about the theory of BJJ?

I have probably close to 50 instructionals full of techniques and I'll probable be busy for the next 10 years learning them all, so what would really help me is instrcutionals of a different type.

I'm not very articulate so hopefully you guys know what I mean.

Roy Harris's BJJ 201 is the best video I can think of on this topic.

Mastering BJJ is a very good book on the 'theory' of BJJ

BJJ 201 is clearly the height of theory-driven instructionals. I have never seen anything close.


thanks for the input guys

BJJ 101 is also good for the basic theory.