It has often been noted that poetry is a particularly suitable medium when it comes to understanding the connection between theology and biography. Needless to say that this is particularly exciting in the case of Dietrich Bonhoeffer and the poems he wrote during his imprisonment by the Nazis.

Although any one of his ten poems should be read within their respective historical and biographical context, they are also rounded, self-sufficient pieces of work that cannot be 'explained' by the biographical and theological prose that surrounds them. They rather serve as a sort of creative...