The Summa Theologica of St Thomas Aquinas: 5 volume set.

The Summa Theologica, as the title indicates, is a summing up of all that can be known about God and humanity's relation with God. It is divised into three parts dealing with God, man, and the God-man respectively. It consists of 38 tracts, 631 questions, about 3000 articles, 10 000 objections and their answers. The new edition contains the complete text, the supplements, a chart showing the structure of the work, and an analytical index.

It should be of inestimable value to students of religion in colleges, libraries, educators, professionals, seminarians...