Beyond DoubtDemonstrates definitively that the secularization thesis is correct, and religion is losing its grip on societies worldwide In the decades since its introduction, secularization theory has been subjected to doubt and criticism from a number of leading scholars, who have variously claimed that it is wrong, flawed, or incomplete. In Beyond Doubt, Isabella Kasselstrand, Phil Zuckerman, and Ryan T. Cragun mount a strong defense for the theory, providing