More to explore:
Replace a closet door with a bookcase door. It makes a secret room, and there are never enough bookshelves at my house.
Bookshelf closet door. I have been wanting to put shelves in my basement, under the stairs closet. Can't believe I found this suggestion on here. Awesome! Now to get someone to make me the new door. I was going to just take off the door and close it off with bookshelves. Now I can keep the extra storage too.
Replace a closet door with a bookcase door. Awesome because then you have a secret room. Wouldn't the books on the door topple, though?
giant doors, also functioning as windows
Old door turned into shelf. Looks easy enough for DIY
a barn door in front of the pantry. which has a wine fridge. flanked by a chalkboard wall. gimme a minute while i catch my breath.
French apartment dining room entrance
antique door bookshelf. could do this myself?
10 Secret Doors Into Hidden Rooms
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hidden door bookcase
Ideas like this are why I am always looking for old doors!
how to make a bifold bookcase
I am not sure where I found this but it is an excellent idea. Take a door, attach some nice looking shelf brackets, add shelves and paint. Awesome!