public void readAuthors(){
        while(true){
            Author author = new Author();
            author.setFirstName(read("First name"));
            author.setLastName(read("Last name"));
            author.setCountry(read("Country"));
            authors.add(author);
            String yes = read("Create another author? (y/n)");
            if(yes != null && !yes.equals("y")) break;
        }
        sendAuthors();
    }