#include #include // Implement the classes here int main() { Book orwell { "1984", "George Orwell" }; Fantasy tolkien { "Lord of the Rings", "J.R.R. Tolkien" }; Non_Fiction primer { "C++ Primer", "Stanley Lippman", false }; Non_Fiction monkey { "Grumpy Monkey", "Suzanne Lang", true }; std::cout << orwell.description() << std::endl << tolkien.description() << std::endl << primer.description() << std::endl << money.description() << std::endl; }