Marking a major new reassessment of Camus' writing, this book investigates the nature and philosophical origins of Camus' thinking on "authenticity" and "the absurd" as these motions are expressed in "The Myth of Sisyphus" and "The Outsider", showing these books to be the product not only of a literary figure, but of a genuine philosopher as well. Moreover, the author provides a complete English-language translation of Camus' "Metaphysique Chretienne et Neoplatonisme" and underlines the importance of this study for the understanding of the early Camus. The book also contains analyses of the influence of St Augustine and Nietzsche on Camus.