// 1. create a new constructor function, Book, which logs books in the school library (id, title, author, themes[]), 
// 2. Add ids, titles and authors for your two favourite books. 
// 3. Use the prototype keyword to add a theme property to the  books. 
// 4. Add at least one theme to each of your books. 

// Beginning:

function Book() {
	// your code here
}

// Beginning:

function Book() {

// your code here

}

// 1. create a new constructor function, Book, which logs books in the school library (id, title,

author, themes[]),

// 2. Add ids, titles and authors for your two favourite books.

// 3. Use the prototype keyword to add a theme property to the books.

// 4. Add at least one theme to each of your books.

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