Saint Thomas Aquinas's masterwork, the
Summa theologiae
, can be daunting to beginners. This volume by an expert on Aquinas's theology offers an ideal introduction. It presents key selections from the
Summa
along with accessible commentary designed to provide background, explain key concepts, and walk readers through Aquinas's arguments. Previously published as
Holy Teaching
, this new edition has been fully revised and includes a substantial amount of new material. The book draws from the entire
and incorporates selections that focus on moral theology, providing a fuller picture of Aquinas's thought.