I saw this room in a copy of Cosmopolitan in 1992 and it's still pretty close to my ideal interior today. (This picture is apparently from World of Interiors a few years ago, though - I guess it hasn't changed much.
Manderston int The Morning Room Passage. Since I can't find a floor plan, I'd imagined how the house was laid out. This picture undid my theory. With the Morning Room fireplace dead ahead, the windows here have to overlook the garden. This passage must connect to the Library/Billiard Room. JC