In Glory of the Holy Trinity written by the Great Basil this beautiful book about fasting . Its author is one of the greatest pillars of Christianity himself Basil the Great .. He was a contemporary of Gregory the Theologian and Ephraim the Syrian and other saints of the first centuries of Christianity, created many miracles, according to his rank, sometimes even a liturgy is performed in the Orthodox Church. In the book it is written about the Christian life and exploits, it is the narrow path that leads to the eternal stomach. The book is taken from the Library of Orthodox Ancient Books of 2013 which can be downloaded on the tracker or on the Internet and let me read it. Remember the words of the Holy Scripture, ask your father what he will tell you, your elders will save you. And the new ones, and the new ones, come to them, but your fathers did not know. You see how the Lord commands you not to follow the new false teachings and teachers, but to turn to the ancient and truthful people, by their fruits you will know them. St. Basil the Great by his own works and many miracles both during life and after death affirms the truth. Read the true books and be saved. To our God Jesus Christ, glory and power for ever and ever. Amen.