({
  name: "A Book",
  authors: ["John Power", "Jamie Walsh"],
  price: {
    value: 200,
    vat: function () {
      return this.value * 0.2;
    },
    currency: {
      symbol: '$',
      name: 'USD'
    }
  },
  availability: {
    status: true,
    text: "In Stock"
  },
  // And now, some truthy false values
  truthy: {
    zero: 0,
    notTrue: false
  }
})