private void createBooks(Scanner s, ArrayList<Book> books, ArrayList<String> booksText) { // method to read Books.txt file and create user Objects
		while (s.hasNextLine()) {
			booksText.add(s.nextLine()); // fill string arraylist with lines from Books.txt
		}
		for (int i = 0; i < booksText.size(); i++) { // read each line from the txt file separately 
			Scanner s2 = new Scanner(booksText.get(i)); // new scanner to read individual lines
			s2.useDelimiter(":"); // text encryption
			books.add(new Book(s2.next(),s2.next(),s2.next(),s2.next(),s2.next(),s2.nextDouble(),s2.next(),s2.next())); // instantiate books
			s2.close(); // close scanner
		} 
	}