Häkelanleitung Weihnachtlicher Kamin

hello, i write this in englisch because my german writing is terrible, i just bought that wunderfull weihnachtlicher from you and i am very very happy with it but now i saw you also sell a e.book with 9 patterns in it also with this one and some others i would love to make, is it possible i pay the difference so i could get that e-book ? i made a mistake, i didnt saw it