Acknowledgements Introduction: Reading Wittgenstein on Religion 1. Problems of Interpretive Authority in Wittgenstein's Corpus 2. Wittgenstein, Biography, and Religious Identity 3. A History of Wittgenstein and the Philosophy of Religion 4. The Traditions of Fideism 5. On 'Fideism' as an Interpretive Category 6. Religions, Epistemic Isolation, and Social Trust 7. Wittgenstein's Ethic of Perspicuity and the Philosophy of Religion Bibliography Index.