Jo Foster Jo Foster has always liked finding things out and writing about them, so was delighted to find out that this could be a job. After studying history at Cambridge University, Jo worked in TV history documentaries for several years. She has also writtena series of books called History Spies, showing time-travelling kids how to blend in wherever and whenever they find themselves, and Why Would A Dog Need A Parachute? Questions and answers about the Second World War: Published in Association with Imperial War Museums. Read More Read Less