Colin was a cart horse, Hay his favorite treat, It was ever so soft and incredibly sweet, But the day he branched out and broadened his diet... Why, who could have guessed it would trigger a riot? Colin is a cart horse who has one smelly problem - he can't stop farting! The latest in Gavin Puckett's hilarious series about horses which includes Murray the Horse, Hendrix the Rocking Horse and Poppy the Police Horse Full of fun, nonsense and nasty smells!