floating shelf

Good evening, I've just taken down some floating shelves installed by the last home owners and am left with a wall of these crazy wee guys. They seem to go pretty far in the wall. So far I have tried to just use a flat head screwdriver and sort of prize them out and also thought I could screw...

Hi all, I need to put up some bookshelves, and would ideally like to use floating shelves. I've not used a floating shelf system before. It's a new plasterboard wall, I've studs to fix into - It's the wall above the radiator, to the right of the door. Books are mainly paperbacks - penguin size...