I have a 2 1/2yo who was talking then with vast changes in our family situation last year stopped. I am hearing impaired and have trouble hearing her as nearly all her words sound the same. I have recently started trying to teach her sign but i can not remember what i learnt a few years ago. I live in a small country town with no deaf centre near, so I was wandering where i can get a copy of your book? and how much it costs. Also some advise on how to get her to form the signs properly as well as teaching my 9 month old.