Jeff Brown was a story editor and assistant film producer in Hollywood. He worked at The New Yorker and the Saturday Evening Post, and his stories appeared in these magazines and many others. Jeff created the classic character Flat Stanley, whose adventures have been beloved by children around the world for more than 50 years. He died in Manhattan in 2003. Rob Biddulph is a bestselling and award-winning children's book author and illustrator. He won the Waterstones Children's Book Prize for Blown Away and was nominated for the Kate Greenaway medal for GRRRRR! His third book, Odd Dog Out, published in August 2016 and a fourth, Sunk!, followed in March 2017. Rob lives in London with his wife and three daughters.