Martin Coleman is Director and Editor of the Santayana Edition. He is Associate Professor of Philosophy and Adjunct Associate Professor of American Studies at Indiana University Indianapolis.

Glenn Tiller is Professor of Philosophy at Texas A&M University-Corpus Christi.

1. Introduction; Martin Coleman and Glenn Tiller.- I. Scepticism and Animal Faith.- 2. Santayana: Philosopher for the Twenty-First Century; Herman J. Saatkamp Jr.- 3. The Last Sceptic: Santayana, Descartes, and the External World; Douglas McDermid.- 4. Laying Siege to the Truth: Santayana's Discourse on Method; Diana B. Heney.- 5. Scepticism, Anti-scepticism, and Santayana's Singularity; Daniel Pinkas.- 6. Knowledge as a Leap of Faith; Jessica Wahman.- 7. Animal Faith and Its Object; John J. Stuhr.- 8. Natural Knowledge and Transcendental Criticism in Scepticism and Animal Faith; Paul Forster.- 9. Santayana's Naturalism at the Junction of Epistemology and Ontology; Ángel M. Faerna.- 10. Reconstruction from Ultimate Scepticism; Angus Kerr-Lawson.- II. Ontology and Spirit.- 11. The Centrality of the Imagination in Scepticism and Animal Faith; Richard Marc Rubin.- 12. Spiritual Exercises and Animal Faith; Martin A. Coleman.- 13. The Cries of Spirit: Santayana in Dialogue with Andrey Platonov; Matthew Caleb Flamm.- 14. Fumbling Towards the Animal in "Animal Faith"; Charles Padrón.- 15. A Tension at the Center of Santayana's Philosophy; Michael Hodges.- 16. Truth and Ontology; Glenn Tiller.- III. Philosophical Relations.- 17. On Gnats and Barnacles, or Some Similarities between Santayana's Idea of Change and Ancient Greek Thought; Andrés Tutor de Ureta.- 18. The Ideal of a Philosophic Redemption: Baruch Spinoza's Place in Western Philosophy and in Santayana's Thought; Lydia Amir.- 19. G. Santayana (Scepticism and Animal Faith, 1923) and E. Husserl (Cartesianische Meditationen, 1929), Readers of R. Descartes; Daniel Moreno.- 20. Hermes as an Interpreter and the Guide to Hades: Re-reading "The Letter of Lord Chandos" with Reference to Santayana's Scepticism and Animal Faith; Katarzyna Kremplewska.- 21. The Conservative Disposition in Santayana's Philosophy; Michael Brodrick.