the bookshelf is that if u press spacebar while looking at a interactible entity you get dialoge but when u interact with somthing else than a human in Incela City u dont get eny dialoge
(exept for going upstairs)
the part of the escape rope is that it does fuse them in my infentory but that it is a key item so that is a key item less for if u ever want it to be a key item to do stuf with