He is the author of Saving Creation: Nature and Faith in the Life of Holmes Rolston, III (Trinity University Press, 2009) and Grounding Knowledge: Environmental Philosophy, Epistemology, and Place (University of Georgia Press, 2003), an edited collection of essays titled Nature Value, and Duty: Life on Earth with Holmes Rolston, III (Springer, 2007), and a special issue of the journal Ethics and the Environment on the "Epistemic Significance of Place."show more