Book excerpt: Peter Berger is the most influential contemporary sociologist of religion. This collection of essays is the first in-depth study of his contribution to the field, providing a comprehensive introduction to his work and to current thought in the study of religion. Themes addressed include: * Berger on religion and theology * Religion, spirituality and the discontents of modernity * Secularization and de-secularization A postscript by Peter Berger, responding to the essays, completes this overview of this major figure's work.