Bookcases (note dark walls and red ceiling).
How To Decorate Shelves: 57 Best Shelfies Living Room With Fireplace
Room full of books with a wood burning stove?
blue millwork den meredith heron - Benjamin Moore’s Lead Gray
all round cabinetry/fireplace joinery matching
leather armchairs, books, art in light filled room - neutral walls and polished floorboards
14 home library ideas, including this stunning fireplace inspiration in a grand home study.