DD2 keeps taking books off shelves and throwing them on the floor. I put them back and she does it AGAIN. I have tried the giving information 'Books belong on shelves!', praise when she helps, never letting her see me do Oxfam sorts so she never sees me take books off, only put them back, I have moved her away from the shelves. But I am getting really cross with her. Any ideas? Obviously, I don't want to put her off books, but I do wsnt her to not throw them on the floor.