Simon of Tournai was a theological master who flourished in the Paris of the 1160s and enjoyed considerable renown. His Institutiones in sacram paginam has proved an important witness to the development of Christology in the late twelfth and early thirteenth centuries and had a strong and lasting influence on the theology of the Middle Ages. This first critical edition with translation of the questions on the incarnate Christ from the Institutiones will be of interest to those studying early scholastic theology, and in particular in the deepening Christological controversies that came to animate the period.