Ten specialists of the diverging present-day Western spiritualities offer fresh analyses of new cases and theories, e.g. in religious contexts (Buddhism, Christianity), popular use, organizations and enterprises, (alternative) health service, and works of art; the outcome is a theoretical framework.

Elisabeth Hense, Ph.D (2001), Radboud University, is assistant professor of spirituality at that university. She has published monographs, translations and many articles on spirituality, including Towards a theory of spirituality (Peeters, 2011).
Frans Jespers, Ph.D (1988), Theological Faculty Tilburg, is associate professor of comparative religion at Radboud University Nijmegen (Netherlands). He has published monographs and articles on philosophy of religion (Leibniz, Habermas), new religious movements in the Netherlands, and church music.
Peter Nissen, Ph.D. (1988), Catholic Theological University of Amsterdam, is Professor of Spirituality Studies at Radboud University Nijmegen (The Netherlands). He has published monographs and many articles on religious history, Christian spirituality, popular religion, and religious culture, and edited a number of volumes, including A Glance in the Mirror. Dutch and Polish Religious Cultures (LIT, 2012).