Oral Presentation for Fantasy Unit (10-12 mins). Focus Question: What makes a good fantasy novel?

All of us have at one time or another read something we would call Fantasy. Be it when reading "The Hobbit" or "The Lord of the Rings" as a school assignment (or for the more enlightened of us, at our own whim), from wanting to read the stuff that made the world we imagine exist, or more commonly from general love of the genre. But what is fantasy? What makes us pick up a book, read it from cover to cover, sigh and say "This is a good (or bad) fantasy book"?
First off, I need an original story. …