Hans Urs von Balthasar is arguably one of the greatest-and certainly one of the most influential-Catholic theologians of the twentieth century. Awarded the prestigious Paul VI Prize for theology and designated a Cardinal just before his death in 1988 by Pope John Paul II, Balthasar's writings have clearly helped to shape the theological style of the Catechism of the Catholic Church. His seven-volume series The Glory of the Lord provides a rich and...