This book offers an Existential Interpretation of the Analytic of Dasein presented by the Fundamental Ontology in Part I of Being and Time, by Martin Heidegger. Heidegger called for an Existential Interpretation, but did not publish it. The Existential Interpretation of the Analytic of Dasein provides precise guidelines for undertaking Existential Self-inquiry, an intrinsic way of dealing with life-issues by accessing oneÕs feelings and emotions in their historical and genetic structures. The outcome shows that personality has an evolutionary character. Visit johnlonsbury.net