Oliver Jeffers, the author and illustrator of seven global bestselling picture books, including How To Catch A Star, Lost and Found and most recently Up & Down, gives his tips for successful writing as part of our BBC Radio 2 Chris Evans Breakfast Show 500 Words short story writing competition for children - The Top 50 will be invited to watch the Breakfast Show being broadcast live from the Hay Festival in on Friday 3 June 2011 details on the Radio 2 website http://www.bbc.co.uk/radio2/shows/c