Why Do Farts Smell Like Rotten Eggs?

Mitchell Symons was born in London and educated at Mill Hill School and the LSE, where he studied Law. Since leaving BBC TV, where he was a researcher and then a director, he has worked as a writer, broadcaster and journalist. He was a principal writer of early editions of the board game Trivial Pursuit and has devised many television formats. Currently he writes an award-winning column for the Sunday Express. Mitchell has won the Blue Peter Best Book with Facts Awards twice, for WHY EATING BOGEYS IS GOOD FOR YOU and DO IGLOOS HAVE LOOS?