char author[100];
                    cout << "Autor: ";
                    cin.getline(author, 100);

                    char title[300];
                    cout << "Tytul: ";
                    cin.getline(title, 300);

                    unsigned int year;
                    cout << "Rok: ";
                    cin >> year;

                    unsigned int edition;
                    cout << "Numer wydania: ";
                    cin >> edition;

                    char publisher[100];
                    cout << "Wydawca: ";
                    cin.getline(publisher, 100);

                    unsigned int pages;
                    cout << "Liczba stron: ";
                    cin >> pages;

                    char genre[100];
                    cout << "Gatunek: ";
                    cin.getline(genre, 100);

                    char description[2000];
                    cout << "Opis ksiazki: ";
                    cin.getline(description,2000);


                    lib.AddBook(Book(author, title, year, edition, publisher, pages, genre, description));