His beguiling book, “More Than What You See,” illustrates with a profusion of his poetry, art, and photographs. — By Judy Flander, January 5 2021, Philadelphia, PA. John Creveling is sitting in his “Man Cave,” which is what his wife calls the third floor of their house, which is his sanctuary. The space has his gym and his many collections — books, coins, cameras, paints, guitars, a harmonica and…