"Divine Mercy; or, The Temporal Advantages of the Sabbath" - George Bryan's book - is a study on the importance of keeping the Sabbath rest. The author considers this topic as a temporary practical approach to celebrating the Sabbath and its positive impact on our life and well-being. The book highlights the historical, religious, and sociological aspects of the Sabbath, as well as offers various advice on how to observe this custom in the modern world. "Divine Mercy; or, the Temporal Advantages of the Sabbath" is an interesting and informative read that will help the reader better understand the importance of rest and peace in modern life.