This new introduction by Shaun Gallagher gives students and philosophers not only an excellent concise overview of the state of the field and contemporary debates, but a novel way of addressing the subject by looking at the ways in which phenomenology is useful to the disciplines it applies to. Gallagher retrieves the central insights made by the classic phenomenological philosophers (Husserl, Heidegger, Merleau-Ponty, Sartre, and others), updates some of these insights in innovative ways, and shows how they directly relate to ongoing debates in philosophy and psychology. Accounts of phenomenological methods, and the concepts of intentionality, temporality, embodiment, action, self, and our ability to understand other people are integrated into a coherent contemporary statement that shows why phenomenology is still an active and vital philosophical approach. Each chapter begins with a discussion of the classic analyses and then goes on to show their relevance to contemporary debates in philosophy about embodied, enactive and extended approaches to our understanding of human experience. Along the way Gallagher introduces some novel interpretations that suggest how phenomenology can both inform and be informed by the terms of these debates.