Book Nook in a fireplace that is no longer usable. Very creative use of space. Just make sure to clean that fireplace well before putting any books in there and to seal things to prevent water damage or pests from coming down the chimney.
Bookshelf, L-shaped office. Like this use of space with the floating bookshelves. For Presidio Project, similar use of space with reclaimed wood shelves for more traditional feel. Could also custom make similar shaped desk out of reclaimed wood with mor