Greyson is co-author of Irreducible Mind: Toward a Psychology for the 21st Century (Rowman and Littlefield, 2007) and co-editor of The Handbook of Near-Death Experiences: Thirty Years of Investigation (Praeger, 2009).
Greyson ist Co-Autor von Irreducible Mind: Toward a Psychology for the 21st Century (Rowman and Littlefield, 2007) und Co-Autor von The Handbook of Near-Death Experiences: Thirty Years of Investigation (Praeger, 2009).