"Allow me to introduce myself. I'm Jamie, I'm 19-years-old. I make videos on the Internet, and enough people watched them that they let me write a book.

I know. What is life?" WELCOME TO JAMIE'S WORLD Inside these pages is my life so far, and what I've learnt - or haven't learnt - along the way. Read about my cowboy hat years, the year I dug a big hole, and the time I pulled down my pants at a badminton game.

I'll tell you my top travel tips (drink water), how to have fun at a school ball (don't go) and how to be an adult (eat an oyster). And I'll talk about YouTube, because I suppose that's what got us into this mess in the first place ...