I got a Rodrigo Gracie, BJJ for NHB, or something like that as a gift that isn't bad, if not maybe a little dated, but definetly some good technique for MMA or no gi.
I never bought, but I've perused the BJ Penn MMA book in the book store many times, that looks pretty good, if I was going to buy an MMA book, that would be my first choice.
I don't own these either, but if you go on you tube you can find clips of Matt Thornton's BJJ for MMA that look good. All the other sbg I've seen look good, so this might be worth checking out as well. It put out by Century of all groupsl
