@@ -0,0 +1,359 @@
+class MyBook extends Book %7B%0A    %0A    int price;%0A    %0A    MyBook( String title, String author, int price ) %7B%0A        super( title, author );%0A        this.price = price;%0A    %7D%0A    %0A    public void display() %7B%0A        System.out.println(%22Title: %22 + title);%0A        System.out.println(%22Author: %22 + author);%0A        System.out.println(%22Price: %22 + price);%0A    %7D%0A%0A%7D%0A

Add day 13 solution