The Outermost House is a classic of American nature writing. The author, Henry Beston (born as Henry Beston Shearan), lived alone in a cabin on Cape Cod in the mid 1920s for a couple of years to chronicle the change of seasons. He describes the beaches, the dunes, the seabirds, the sky, the waves, the sea beasts, in poetic prose, a bit florid and démodé, perhaps, but very engaging. It is a kind of "Walden" at the beach.
I suspect that Beston was a Catholic, but there is no trace of that in the book. Apart from being a lyrical, detailed account of his experiences, it is a plea for a deeper engagement with Nature. His attitudes are a bit pantheistic or vitalist, like many authors of that era. "Whatever attitude to human existence you fashion for yourself, know that it is valid only if it be the shadow of an attitude to Nature."