Yes, and we must stop people walking on this floor until it's firm. It may be necessary to put up a notice saying Keep off. Another thing, we' ll have to drill a hole in the wall for the electric wires.
Other books are for reading slowly and carefully. If it is a book on a subject that you are interested in, you will want to chew and digest it. That does not mean reading it too slowly. When you pick up a book for the first time, check that it is not to