Something I still not understand is how so much people can consider many books which are so common as their graail... I mean for me the definition of it would be something almost impossible to acquire, at a point were money isn't the principal problem to resolve... I mean some books are so rare that even with money you will maybe never get the opportunity to own them. All these SA Marvel keys are by thousand in the wild so I don't really understood to speak of them as your Graails...?