In the following pages, we read about an ambitious Luther trying to obtain for himself the dignity of the cardinalate at a young age. We learn about the true motives for his objections to indulgences, which sprang principally from resentment at the loss of income for his own Augustinian Order. We witness also his bad temper and vitriolic tongue, his nocturnal conversations with demons (whether they were real or imagined), and his scandalous and...