The "Commentary on Saint Paul's Epistle to the Galatians" by St. Thomas Aquinas is a hardcover book published by Magi Books in 1966. This book is part of the Aquinas Scripture Series and provides a detailed commentary on Saint Paul's Epistle to the Galatians. Written in English, this book is a valuable resource for those seeking a deeper understanding of this important biblical text. It offers insights and interpretations from a renowned theologian and philosopher like St. Thomas Aquinas, making it a valuable addition to any collection of religious works.