'I am number four' is a book in a series featuring a group of teens struggling to outrun their past, discover their future - and live a normal life on earth. Deadly mogadorian aliens threaten the very existence of John Smith, also known as number four. Originally from the planet Lorien, John is on the cusp of developing powers. These are legacies from his ancestors that will allow him to fight the battle of a lifetime. But John is torn between his lorien destiny and the love he never thought he could have with a human girl.