This text provides an accessible and scholarly introduction to the core ideas of the existentialist tradition. This book draws on a wide range of existentialist thinkers in chapters centering on the key themes of freedom, being-in-the-world, alienation, nihilism, anxiety and authenticity. He also addresses important but often overlooked issues in the canon of existentialism, with discussions devoted to the role of embodiment, the movement's contribution to ethics, politics, and environmental and comparative philosophies, as well as its influence on contemporary psychiatry and psychotherapy. The enduring relevance of existentialism is shown by applying existentialist ideas to contemporary philosophical discussions of interest to a wide audience. The book covers secular thinkers such as Heidegger, Merleau-Ponty, Nietzsche, Sartre, Camus, and Beauvoir as well as religious authors, such as Buber, Dostoevsky, Marcel, and Kierkegaard."Provides an accessible and scholarly introduction to the core ideas of the existentialist tradition. Kevin Aho draws on a wide range of existentialist thinkers in chapters centering on the key themes of freedom, being-in-the-world, alienation, nihilism, anxiety and authenticity. He also addresses important but often overlooked issues in the canon of existentialism, with discussions devoted to the role of embodiment, the movement's contribution to ethics, politics, and environmental and comparative philosophies, as well as its influence on contemporary psychiatry and psychotherapy. The enduring relevance of existentialism is shown by applying existentialist ideas to contemporary philosophical discussions of interest to a wide audience. The book covers secular thinkers such as Heidegger, Merleau-Ponty, Nietzsche, Sartre, Camus, and Beauvoir as well as religious au