A stirring, luminous work in the tradition of The Cloister Walk. Wandering into a forgotten downtown Cleveland church for a Christmas mass, Kristin Ohlson discovered the Poor Clares -- a tiny, threadbare congregation of cloistered elderly nuns with one mission: to pray day and night (literally 24 hours a day, 7 days a week) for the sorrows of the world. Ohlson -- utterly enchanted by these devoted women -- started to attend church for...