A Short History of the Middle Ages
Barbara H. Rosenwein
Nightside of the Runes
Thomas Karlsson
Surveys in Number Theory (Russian)
Aleksandr Aleksandrovich Kirillov
The Summa Theologica: Complete Edition
Saint Thomas Aquinas
Power and Prediction
Joshua Gans & Ajay Agrawal & Avi Goldfarb
Interlinear Greek Old Testament Septuagint
Joshua Dickey