okjodom

import React from 'react';  // super class

class Book extends React.Component{  // sub class extends super class

    constructor (){  // all classes have a constructor method
        super(props);  // must do this to link sub class to super class properties
        this.id = "#B00K123";
        this.title = "We All Don't Know JS";
        this.description = "The book everyone needs to read";
        this.price = 0;