PS -- why does she have so much free access to so much stuff in a room when home alone?
I come home and find she has dragged my internet address book off the coffee table, chewed (and eaten) the cover with paswords and the page with bank info.
Oh no!! Sounds like she needs to be in a safer, gated room. EG safely in the kitchen with doors closed or babygate in place. No items available. She is pulling things off and chewing them because she 1) has access and they are there 2) no one is supervising 3) she is bored and this is entertainment.
Please try to remember that she is not doing any of this to annoy you. She is doing totally normal dog things (that address book is a nice hard chew, and she is bored and looking for something to relieve anxiety, boredom or help develop her jaws -- chewing serves all that for a dog). We owners have to take the caring and responsible role of managing, supervising and training, all of which are central to dog ownership -- a dog cannot take such responsibilities for itself as it only is programmed to behave like a dog.
Training also does little for dog left to itself -- which is why management to prevent the problems in the first place is a better approach and have that dovetail into your positive training approaches.
Dogs are not easy -- they require a huge amount of hands-on time, care, training, supervision. We generally get the adult dogs we ourselves prepared for -- so be sure to be always setting her on a path towards success through management coupled with good training.
By the way my Leo loves to gnaw on the edge of hardbacks. I have gnawed cookbooks and nice coffee table books to prove it. That is when I learned to remember to keep them well out of reach (a dog means no more display books on coffee tables!) or to chalk it up to my own forgetfulness and stupidity if I leave a book down and he chews at it. After all, I know he will chew on books -- and I forgot to put it away. Stupid, stupid, naughty owner me! And after all it is only a book -- Leo gives me pleasures that far outweigh a book I can still read -- or just replace.
PS have you downloaded Ian Dunbar's free book on care and training? I think you'd find his advice on management and training helpful too.