for(i = 0; i < numberOfObjects; i++) {
		cout << "[Entering new object]: is this a book (b) or a tape (t)? ";
		cin >> answer;
		cin.ignore();
		switch (answer) {
			case 'b':
				pubArray[i] = new book;
				pubArray[i]->getdata();
				break;
			case 't':
				pubArray[i] = new tape;
				pubArray[i]->getdata();
				break;
		}
	}