A Yogi at the Intersection of Myth and Reality?

I recently finished reading a book called "Autobiography of a Yogi" by Paramahansa Yogananda.  This is a very interesting book.  The writing is beautiful--at least in my estimation.  Many seem to feel the prose is overwrought, but I think it conveys a sense of peace and spirituality.  The subject of the book is the author's life, the life of his guru and that of his guru's guru.  All of these yogis demonstrate miraculous powers with astonishing frequency.  The ta...