For those who want to establish themselves correctly and at the lowest costs, I have a collection of books for capabilities available. Condition: the books are almost new, there are no cracks or ink marks. The solutions are in pencil only (easy to erase). Why should you buy them? The fundamentals of capabilities don’t change, and these books will provide you with a quantity of models and exercises that will save you from paying large amounts for new books.. Sale is permitted, God willing. Open to offers.