Its strange that he brings Nagarjuna in when discussion sunnyata as this was already clearly spelled out in the sutta's themselves. Two books that discuss this

Its strange that he brings Nagarjuna in when discussion sunnyata as this was already clearly spelled out in the sutta's themselves. Two books that discuss this very well are http://www.amazon.com/Concept-Reality-Early-Buddhist-Thought/dp/9552401364 http://www.amazon.com/Concept-Reality-Early-Buddhist-Thought... and http://www.amazon.com/The-Magic-Mind-Exposition-Kalakarama/dp/9552401356 http://www.amazon.com/The-Magic-Mind-Exposition-Kalakarama/d...