“The author brings impressive detail and erudition to bear on this topic; he is clearly well read in the relevant Tibetan materials, the Indian background, and relevant contemporary scholarship. This book represents a significant contribution to the fields of Tibetan and Buddhist studies, and it fills a gap in our knowledge of Nyingma philosophy.”   — Gregory A. Hillis,

This is a comprehensive review of all the aspects of emptiness which is based on Mipham work. It is a fairly advanced book and goes beyond just Mipham's treatise on Buddha Nature.