Made a hidden bookshelf-door and the opening mechanism is disguised as a book! What do you think about that? I can't upload more then one image sadly. Videodescription is in the comments.
Secret Door Bookcase : 18 Steps (with Pictures) - Instructables
Hidden Door Bookcase | Popular Woodworking
Secret Bookcase Book Pull | Compatible with Invisidoor Hinge Kit – The Library Ladder Company