"Undying Glory: The Solar Path of Greek Heroes" by Tom Billinge is a 2020 textbook that delves into the religious and social science aspects of ancient Greek heroes. The book, published by Sanctus Europa Press, explores the spirituality and general subject matter surrounding the legendary figures of Greek mythology. Written in English, this trade paperback is intended for adult and further education levels, providing readers with a deeper understanding of the fascinating tales and lessons of Greek heroes throughout history.