A Lutheran pastor, Dietrich Bonhoeffer was a trenchant modern theologian, as his books—Ethics and The Cost of Discipleship, to name two—amply testify. Eric Metaxas's meticulously researched biography reveals that he was also a figure of extraordinary moral courage in Nazi Germany. A riveting story of historical and spiritiual import.

April 21: " 'Pull' includes 'invitations to tea' at which one hears smiling reminders that a better life is available to people who stop talking about massacres..."

Donna Tartt's The Goldfinch is the winner of the 2014 Pulitzer Prize for Fiction. James Parker calls this Dickensian coming-of-age novel "an enveloping…